The sliding pairs, turning pairs and screw pairs form lower pairs. September 14, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
The total heat rejected in a reciprocating air compressor is equal to the sum of the heat rejected during polytropic compression per kg of air and heat rejected in the intercooler per kg of air. September 14, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
The limit of eccentricity is based upon no tension condition. September 14, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is September 14, 2025 by Admin carbide, ceramic, cermet, borazon ceramic, carbide, borazon, cermet cermet, carbide, ceramic, borazon borazon, ceramic, carbide, cermet ✅ The correct answer is option C.
In the aircraft propellers September 14, 2025 by Admin the propulsive matter is ejected from within the propelled body the propulsive matter is caused to flow around the propelled body its functioning does not depend upon the presence of air none of the above ✅ The correct answer is option A.
In a jet propulsion September 14, 2025 by Admin the propulsive matter is ejected from within the propelled body the propulsive matter is caused to flow around the propelled body its functioning does not depend upon presence of air none of the above ✅ The correct answer is option B.
The total time taken by a projectile to reach maximum height and to return back to the ground, is known as time of flight. September 14, 2025 by Admin Yes No ✅ The correct answer is option A.
Fourier’s law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body) September 14, 2025 by Admin ✅ The correct answer is option A.
The amount of radiation mainly depends upon the September 14, 2025 by Admin nature of the body temperature of the body type of surface of the body all of these ✅ The correct answer is option D.
Which of the following is an example of laminar flow? September 14, 2025 by Admin Under ground flow Flow past tiny bodies Flow of oil in measuring instruments all of these ✅ The correct answer is option D.