Q.70 The characteristic curve of ‘unit speed’ verses ‘discharge’ for a reaction turbine shows, as the unit speed increases, the water dischargeAns 1. Decrease parabolically2. Decreases linearly3. Increase linearly4. Increase parabolicallyNote: For this question, discrepancy is found in ...
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Q.71 According to the law of collision of elastic bodies, the value of Coefficient of Restitution (e) for the two perfect elastic bodies isAns 1. e = 12. e = 23. e = 04. e = 4Correct Ans ...
Q.60 In a graphical solution of solving Linear Programming problem to convert inequalities into equations, it is essential to use which one of the following?Ans 1. them to be equations2. Them to be artificial surplus variables and ...
Q.78 The kinetic energy of a flywheel or rotating body having a moment of inertia (I) and angular velocity(ω) isAns 1.2.3.4.Correct ...
Q.66 Two forces of 10 N and 40 N act vertically downward at endpoints of a horizontal rod of 120 mm length. The location of the resultant force on the rod isAns 1. 48 mm from a smaller ...
Q.68 The content of Carbon in the hypoeutectoid Steels isAns 1. More than 1.2 % and less than 2.5%2. More than 0.8% and less than 1.2 %3. Less than 0.8%4. More than 2.5 %Correct Ans Provided: 3
Q.62 The Reynold’s number, used for critical velocity for turbulent flow of fluids, is given by the relationAns 1. Inertia force / viscous force2. Pressure head / viscous force3. viscous force/mass Density4. viscous force / Pressure headCorrect Ans ...
Q.64 The practical unit of refrigeration One Ton is the amount of heat removed from one ton of water 0OC to become ice inAns 1. 8 hours2. 1 hour3. 12 hours4. 24 hoursCorrect Ans Provided: 4
Q.76 The whirling speed of a rotating shaft is the same as the frequency of the shaft in.Ans 1. Natural longitudinal vibration2. Forced transverse vibration3. Forced longitudinal vibration4. Natural transverse vibrationCorrect Ans Provided: 4
Q.77 A thin cylindrical pressure vessel of 500 mm diameter and 10 mm thick is subjected to an internal pressure of 2 MPa. The circumferential stress in the vessel isAns 1. 100 MPa2. 25 MPa3. 50 MPa4. 12.5 ...
