What steps you should take, prior to performing a brake fluid leak test, to ensure there's optimum brake pressure for finding leaks?
ensure that the brake is pressed down, ensure that the clutch pedal is pressed down, ensure that the cap from the brake fluid bottle is removed, ensure that the engine is idle.

Fluids at rest possess no flow energy. a)- true b)- false

Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero