Q114. What is the Boltzmann Machine? If backlash occurs the analysis will be non-linear because the backlash can cause undesired oscillation in the feedback control system. A restricted Boltzmann machine (RBM) is a fascinating software component that has some similarities to a basic neural network. Plate temperature is higher than the fluid temperature, c. Plate temperature is equal to the fluid temperature. Q172. How does heat flux change with increasing excess temperature in transition boiling regime of boiling heat transfer process? The units in one layer is only fully connected with units in the next layer. Q211. Q40. a. Q133. A. Recurrent Neural network B. Convolutional Neural Network C. Restricted Boltzmann Machine D. None of these Solution: (A) Option A is correct. What is critical heat flux in boiling heat transfer process? What is the formula of the thermal resistance for convection at the outer surface of spherical shell of inner and outer radii as ri and ro respectively? What is the approximate wavelength range of thermal radiation? A black body of total area 0.045 m2 is completely enclosed in a space bounded by 5 cm thick walls. Your email address will not be published. 1. Q50. They are an unsupervised method used to find patterns in data by reconstructing the input. Which of the following dimensions is/are primary dimension/s? Objective Type (multiple Choice) Questions in Mechanical Engineering with Answers-M. Adithan 1983* Fundamentals of Mechanical Engineering-L. N. Mishra 1983-07-01 Engineering Drawing-Manoj Dole ENGINEERING DRAWING is a simple e-Book with all about- the latest & … 3] Reinforcement ML. What is the correct formula for the Nusselt modulus or Nusselt number (Nu)? Which of the following temperature difference is safer than other to consider in designing of heat exchangers? What is the correct formula for the total emissive power of the gray body (Eg)? Q67. What is the formula for Reynolds number (Re)? What is the correct formula for the temperature distribution in infinitely long fin? Which method for estimation of convective heat transfer coefficient is mathematically simple and finds wide range of applications? In Boltzmann Machines, visible units or hidden units are fully connected with each other. Q129. Q80. of two systems are the different, then only their behavior will be similar. What will be the total thermal resistance of the composite cylinder? Because of the noncommutative nature of quantum mechanics, the training process of the quantum Boltzmann machine (QBM) can become nontrivial. Q118. Q38. Convective heat transfer coefficient is also known as. This skilltest was conducted to test your knowledge of deep learning concepts. a. if the body or element is in unsteady-state with heat generation, b. if the body or element is in steady-state with heat generation, c. if the body or element is in unsteady-state with no heat generation, d. if the body or element is in steady-state with no heat generation, Q30. The change of weight depends only on the behavior of the two units it connects, even though the change optimizes a global measure” … a. The Nusselt modulus or Nusselt number is a convenient measure of. Which of the following gases is/are capable to emit and to absorb radiant heat energy? Boltzmann Machines have a fundamental learning algorithm that permits them to find exciting … Find Tutor. Q132. a. the thermal resistance for convection increases with increase in thickness of insulation, b. the thermal resistance for convection decreases with increase in thickness of insulation, c. the thermal resistance for convection remains same with increase in thickness of insulation. What is the effect of change in outer radius of the hollow cylinder on the thermal resistance of conduction? In a process called simulated annealing, the Boltzmann machine runs processes to slowly separate a large amount of noise from a signal. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. It is stochastic (non-deterministic), which helps solve different combination-based problems. MCQ: RADIATION. The heat transfer is largely governed by conduction from the surface of the fluid, when, c. the velocity of the fluid is small as well as high. A thorough knowledge of the mechanism is necessary for the estimate of convective heat transfer coefficient so that the process can be adequately represented by mathematical equation. According to Stefan-Boltzmann law of thermal radiation. Q23. The top most layer of the fluid is moving with velocity U0.Which of the following condition is correct for the given condition? Q76. When is the condensate flow almost always laminar? Which of the following sentences are correct for black body, (1) The black body is a hypothetical body, (3) The black body is used as a standard of perfection against which the radiation characteristics of other bodies are compared, Q180. c. 300 – 2000 nm . This contains 10 Multiple Choice Questions for Chemical Engineering Test: Stefan Boltzmann Law (mcq) to study with solutions a complete question bank. What is the correct formula for thermal resistance (Rk) of a spherical shell of inner and outer radii as ri and ro respectively and k being the thermal conductivity? Absorptivity = 3200/4800 = 0.667. 8. c. between 20 to 120 MHz. Q158. [total number of physical quantities (n)] – [the number of primary dimensions (m) needed to express the dimensional formulae of n physical quantities], b. How many modes are there? Boltzmann machines are used to solve two quite different computational problems. Q114. Q53. A Restricted Boltzmann machine is an algorithm useful for dimensionality reduction, classification, regression, collaborative filtering, feature learning and topic modeling. Class 12; Class 11; Class 10; Class 9; Class 8; Class 7; Class 6; Class 5; Class 4; Class 3; Class 2; … a. the emissivity and the absorptivity of the black body are same and always less than 1, b. the emissivity and the absorptivity of the black body are same and always more than 1, c. the emissivity and the absorptivity of the black body are same and always equal to 1, Q177. Q201. The term in the heat transfer system which is analogous to the electrical resistance is called as, Q192. Transfer type heat exchanger or recuperator, b. Usually, the flow arrangement of two fluids in compact heat exchangers is, Q72. Boltzmann machine is a network of symmetrically connected, neuronlike units that make stochastic decisions about whether to be on or off. Aluminum is used as a fin material because, a. it has higher convection heat transfer coefficient, c. it has lower convection heat transfer coefficient. What is diffuse reflection of radiation? Assume a turbulent flow of a fluid on a flat plate. Your email address will not be published. Go to the next batch of dataset 3. Q186. MCQ ON DYNAMIC OF MACHINE MODULE 01 1. a. when condensation occurs on a horizontal tube, b. when condensation occurs on a vertical bank of horizontal tubes, c. when condensation occurs on a vertical tube, d. when condensation occurs on a bunch of vertical tubes, Q140.The nuclei of bubbles form in nucleate boiling, when there is presence of. Q237. a. viscosity of a gas decreases with increase in temperature of gas, b. viscosity of a gas increases with increase in temperature of gas, c. viscosity of a gas is not affected by change in temperature of gas, a. increases with increase in liquid temperature, b. decreases with increase in liquid temperature, c. is not affected by the change in liquid temperature. The potential difference in an electrical system, is analogously considered as, a. a temperature difference in the heat transfer system, b. a current flow in the heat transfer system, c. a resistance in the heat transfer system. Radiosity (J) is the sum of radiation, Q85. Posthoc interpretation of support-vector machine models in order to identify features used by the model to make predictions is a relatively new area of research with special significance in the biological sciences. Q59. 10. b. noise factor. Q167. Film condensation occurs on a surface when. Learning to rank or machine-learned ranking (MLR) is the application of machine learning, typically supervised, semi-supervised or reinforcement learning, in the construction of ranking models for information retrieval systems. Machine Learning. Solution : Q = (T2 – T1) A h = 0.12 (65-30) 45.4 = 190.68 W. Q5. For a learning problem, the Boltzmann machine is shown … We describe a novel statistical model, the tied Boltzmann machine, for combining collaborative and content information for recommendations. What is the SI unit for absolute or dynamic viscosity (μ)? Each set of nodes can act as either inputs or outputs relative to the other set. What is the relation between emissive power of a real body (E) and emissive power of black body (Eb) when both are at same temperature? The shear stress (τ) is directly proportional to (H x U0), b. Feed water heater in which a stream of steam is directly mixed with cold water and the mixture leaves at uniform temperature, b. Q136. In forced convection boiling process, a liquid flows through a tube with. This model features a visible input layer and a hidden layer -- just a two-layer neural net that makes stochastic decisions as to whether a neuron should be on or off. Thermal radiation takes place from a body by electromagnetic waves as a result of. In a Boltzmann machine, nodes make binary decisions with some bias. Q93. Boltzmann machines are a type of neural network model composed of stochastic elements. Suppose that a hot metal ball is immersed in cold water, then temperature distribution in the body depends upon, b. convective heat transfer from the body surface to water, Q28. How is the viscosity of gas affected by change in its temperature? This means every neuron in the visible layer is connected to every neuron in the hidden layer but the neurons in the … They contain carbon more than 1.7% b. What is the formula for thermal resistance for convection at the outer surface of hollow cylinder? Initialize weights of perceptron randomly 2. Q200 . So rate of heat flow by convection doesn’t depend on. Consider the flow of fluid in a boundary layer. The shear stress (τ) is directly proportional to (H / U0), c. The shear stress (τ) is directly proportional to (U0 / H). How is the cooling at night in coastal areas? A fin of uniform cross-section A and perimeter P has a base temperature Ts and it is exposed to fluid having temperature T∞ How is the temperature distribution in the fin given? Which of the following is/are example/s of pool boiling? Q73. CBSE; JEE; NEET; NTSE; BITSAT; UGC NET; CTET ; ICAI; Important Topics; CBSE. a. change in temperature per unit change in time, b. change in temperature per unit change in distance in the direction of heat flow, c. change in temperature per unit change in cross-sectional area normal to the direction of heat flow, d. change in temperature per unit change in cross-sectional area parallel to the direction of heat flow, Q232. Automatic Machine Translation – Certain words, sentences or phrases in one language is transformed into another language (Deep Learning is achieving top results in the areas of text, images). of two systems are the same, then their behavior will be different as per the dimensions, b. if the ratios of linear dimensions, forces, velocities, etc. If the body or element is in steady-state but has heat generation then the general heat conduction equation which gives the temperature distribution and conduction heat flow in an isotropic solid reduces to(∂T/∂x2) + (∂T/∂y2) + (∂T/∂z2) + (q̇/k) = 0. Q197. 1985 − Boltzmann machine was developed by Ackley, Hinton, and Sejnowski. Q90. In Restricted Boltzmann Machine (RBM), units in the same layer are not connected. Q87. How can the total thermal resistance of a heat exchanger, in which two fluids are separated by a plane wall of surface area A, thickness t and thermal conductivity k, be calculated? The principle of similarity or model law states that, a. if the ratios of linear dimensions, forces, velocities, etc. Stefan-Boltzmann law states that the energy radiated per unit area per unit time by the black body is, a. directly proportional to the square of the temperature of the black body, b. inversely proportional to the square of the temperature of the black body, c. directly proportional to the forth power of the temperature of the black body, d. inversely proportional to the fourth power of the temperature of the black body. In desert areas, there is large difference between day and night temperatures mainly because of, a. presence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface, b. presence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface, c. absence of carbon dioxide in air as it acts as barrier for emanating infrared radiation from the earth surface, d. absence of water vapour in air as it acts as barrier for emanating infrared radiation from the earth surface. Search Tutors Tutor Registration Tutor Login. What is the wavelength band for Ultraviolet rays? Q17. The emissive power of gray body is, a. less than the emissive power of the black body, b. greater than the emissive power of the black body, c. equal to the emissive power of the black body, a. a body of which the monochromatic emissivity (ε) is different wavelengths, b. a body of which the monochromatic emissivity (ε) is constant for the entire wavelength spectrum, c. a body of which the monochromatic emissivity (ε) is maximum for longest wavelength, Q151. Which of the following is NOT a type of condensation heat transfer process? You will understand the working of RBM Autoencoders, illustrate Collaborative Filtering using RBM and … Q26. A very thin region near the plate surface is called as, Q126. Which of the following is/are example/s of heat exchanger? Difference in two shape factors (F12 – F21), c. Difference in emissive powers of the two black bodies (Eb1 – Eb2). What does the Nusselt modulus or Nusselt number physically signify? a. the intensity of radiation increases with increase in the thickness of gas layer, b. the intensity of radiation decreases with increase in the thickness of gas layer, c. the intensity of radiation remains unaffected with change in the thickness of gas layer, Q64. a. as the distance from the bottom of the plate increases, the upward velocity of the fluid near the plate surface decreases, b. as the distance from the bottom of the plate increases, the upward velocity of the fluid near the plate surface increases, c. the upward velocity of the fluid near the plate surface is same all over the plate. When F12 is the shape factor of A1with respect to A2 and F21 is the shape factor of A2 with respect to A1and A1= A2, then what is the relation between F12 and F21? There was also more than one machine that the Germans used to encrypt their messages: Enigma is one, but there was also the Lorenz machine (also eventually cracked at Bletchley Park). Which of the following phases of designing of heat exchangers does designer consider corrosive nature of the fluid in? What is the relation between the intensity of radiation and the thickness of the layer, in case of gas? Q175. a. to determine number of dependent dimensionless groups which are necessary to represent the phenomenon in a mathematical expression, b. to determine number of independent dimensionless groups which are necessary to represent the phenomenon in a mathematical expression, c. to determine number of dependent groups with their dimensions which are necessary to represent the phenomenon in a mathematical expression, d. to determine number of independent groups with their dimensions which are necessary to represent the phenomenon in a mathematical expression. What is the relation between temperature of a body and the wavelength of its emitted radiation at its maximum emissive power? Q208. The solved questions answers in this Test: Stefan Boltzmann Law quiz give you a good mix of easy questions and tough questions. The emissivity (ε) can be defined as the ratio of, a. emissive power of real body to the emissive power of black body, b. emissive power of black body to the emissive power of real body, c. reflectivity of real body to emissive power of black body, d. reflectivity of black body to emissive power of real body. Other Boltzmann machines 9.Backpropagation through random operations 10.Directed generative nets 11.Drawing samples from autoencoders 12.Generative stochastic networks 13.Other generative schemes 14.Evaluating generative models 15.Conclusion 2. 65-30 ) 45.4 = 190.68 W. Q5, Hinton, and topic modeling emit radiant which. Boltzmann law quiz give you a good mix of easy questions and solutions surface area is.... 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