GATE XE format:msq PYQs & Answers — Page 4

Questions 31–40 of 145. Imported answers require independent review unless marked reviewed.

Which of the following is/are step(s) followed in energy audit?

Your answerSelect all correct options. You can choose more than one.

Walkthrough

Collection of past energy consumption data

Evaluation of energy conservation measures

Preparation of historic profit and loss statement

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Which of the following statements is/are FALSE concerning a wind turbine generation system?

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The rotor power coefficient,

, of a multi-blade turbine is a monotonically increasing function of tip-speed ratio

Maximum power point tracking algorithms are typically employed in wind turbine generators for enhancing energy yield

The theoretical maximum value of rotor power coefficient,

, is 0.65

Speed control of wind turbine generator is carried out to ensure rotor speed varies in response to wind speed

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Which of the following options is/are true regarding the behaviour of a typical solar photovoltaic cell?

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Ideal current source

Current limited voltage source

Voltage limited current source

Ideal power source

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For

, consider the system of linear equations

If the system has infinitely many solutions, then which of the following statements is/are correct?

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There is NO base-centered cubic lattice among the list of 14 Bravais lattices because of one or more of the following reasons

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It does NOT have translational symmetry

It is only compatible with the symmetry of orthorhombic crystal system

It is only compatible with the symmetry of tetragonal crystal system

It does NOT have 3-fold rotation axes along the body diagonals

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For a conventional optical microscope, which of the following options regarding the resolution limit and the depth of field is/are correct?

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Resolution limit decreases with decreasing wavelength of light

Resolution limit decreases with decreasing refractive index of the medium

Depth of field decreases with increasing value of numerical aperture of the objective lens

Resolution limit decreases with increasing value of numerical aperture of the objective lens

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Which of the following phenomenon/phenomena contribute to intensity loss of electromagnetic radiation during transmission through a medium?

Your answerSelect all correct options. You can choose more than one.

Electronic absorption

Rayleigh scattering

Photon – phonon interaction

Stimulated emission

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The natural frequency of a spring-mass system is 10 rad/s.

Which of the following statements is/are CORRECT?

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The mass is 100 kg and the stiffness is 1 N/m.

The mass is 1.25 kg and the stiffness is 125 N/m.

The stiffness is 620 N/m and the mass is 6.2 kg.

The stiffness is 62 N/m and the mass is 620 kg.

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An infinitesimal square element PQRS is shown in the figure. The x and y axes are also marked in the figure. The strains on the element are given by

and

Which of the following statements is/are CORRECT?

Diagram for Engineering Sciences question 80

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Percentage change in length of the diagonal PR is 0.03.

Change in angle between PR and QS is

rad.

Change in angle between PR and QS is

rad.

Percentage change in length of the diagonal QS is 0.03.

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The figure shows the stress distribution across an internal surface of a rectangular beam of height 30 mm and depth 10 mm. The normal stress distribution is given by the expression

; y is the distance in mm from the centroidal axis of the beam. Assume that there is no variation in the stress distribution along the z-direction. Which of the following statements is/are CORRECT?

Diagram for Engineering Sciences question 81

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The net force in the x direction is 150 kN.

The net force in the x direction is 75 kN.

The net moment about the z axis is 4500 Nm.

The net moment about the z axis is 2250 Nm.

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GATE XE format:msq PYQs

Question 181

Question 191

Question 192

Question 20

Question 48

Question 49

Question 50

Question 71

Question 80

Question 81