When a mechanism is required to transmit power or to do some particular type of work, then it becomes a machine. September 13, 2025 by Admin Agree Disagree ✅ The correct answer is option A.
The example of completely constrained motion is a September 13, 2025 by Admin motion of a piston in the cylinder of a steam engine motion of a square bar in a square hole motion of a shaft with collars at each end in a circular hole all of the above ✅ The correct answer is option D.
Wood charcoal is produced by heating the wood at 100°C. September 13, 2025 by Admin Yes No ✅ The correct answer is option B.
The by-pass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil, and td3 = Dry bulb temperature of the cooling coil) September 13, 2025 by Admin ✅ The correct answer is option B.
The ball and socket joint is an example of screw pair. September 13, 2025 by Admin Agree Disagree ✅ The correct answer is option B.
Spark plugs in automobiles generally have a gap between September 13, 2025 by Admin 0.3 to 0.7 mm 0.2 to 0.8 mm 0.4 to 0.9 mm 0.6 to 1.8 mm ✅ The correct answer is option D.
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature September 13, 2025 by Admin which lies between the dry bulb and wet bulb temperatures of the incoming stream which lies between the wet bulb and dew point temperatures of the incoming stream which is lower than the dew point temperature of the incoming stream of adiabatic saturatio ✅ The correct answer is option C.
Which of the following is a proper sequence? September 13, 2025 by Admin proportional limit, elastic limit, yielding, failure elastic limit, proportional limit, yielding, failure yielding, proportional limit, elastic limit, failure none of the above ✅ The correct answer is option A.
The ratio of the ultimate stress to the design stress is known as September 13, 2025 by Admin elastic limit strain factor of safety bulk modulus ✅ The correct answer is option C.
The potential energy stored by a spring in compression, is called strain energy. September 13, 2025 by Admin Yes No ✅ The correct answer is option A.