Q.12 Which of the following is a suitable unit for measuring the capacity of refrigeration?Ans 1. TR2. Kw/kg3. kg4. kJCorrect Ans Provided: 1

Q.18 What will be the atmospheric pressure at a location where the barometric reading is 750 mm Hg and the gravitational acceleration is g = 9.81 m/s2? Assume the density of mercury to be 13,600 kg/m3.Ans 1. 10.006 ...

Q.15 A circular opening, 3 m diameter, in a vertical side of a tank is closed by a disc of 3 m diameter which can rotate about a horizontal diameter and depth of centre of gravity from free ...

Q.10 A thermometer works on the principle of ____________.Ans 1. Joule’s law2. 3rd law of thermodynamics3. Zeroth law of thermodynamics4. 2nd law of thermodynamicsCorrect Ans Provided: 3

Q.14 If the pressure intensity at a point in a fluid is given as 2.7 N/cm2, then what will be the pressure head of oil of specific gravity 0.9 at that point? Take g = 10 m/s2.Ans 1. ...

Q.21 0.2 m3 of an ideal gas at the pressure of 2 MPa and 600 K is expanded isothermally to 5 times the initial volume. It is then cooled to 300 K at constant volume and then, compressed ...

Q.19 If the cutter and workpiece movements are in opposite directions, the milling process is known as –Ans 1. Down milling2. Up milling3. Side milling4. Face millingCorrect Ans Provided: 2

Q.11 In the Bell-Coleman refrigeration cycle, the temperature of the refrigerant is maximum at the:Ans 1. end of isentropic expansion2. end of isentropic compression3. start of isentropic compression4. end of constant pressure cooling processCorrect Ans Provided: 2

Q.13 In which percentage generally is lubricating oil mixed with the fuel, which is then inducted into the carburettor in a mist lubricating system?Ans 1. 3% to 6%2. 30% to 40%3. 40% to 50%4. ZeroCorrect Ans Provided: 1

Q.23 Which of the following is NOT the part of venturimeter setup?Ans 1. Float2. Throat3. Diverging part4. Converging partCorrect Ans Provided: 1