Determine the convection heat transfer coefficient for the flow of water at a velocity of 2 m/s in 8 em diameter and 7 m long tube when the tube is subjected to uniform heat flux from all surfaces. use fluid properties at 25°c

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.

Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options