KPSC Water Resource Department Assistant Engineer Mechanical Question Paper 2017 with Answer Key

KPSC Water Resource Department Assistant Engineer Mechanical Question Paper 2017 with Answer Key

26) There is a relation between number of joints and number of links, where L = number of links and J = number of joints which constitute a kinematic chain and this is given by the expression

Answer is:

L = (2/3)(J + 2)

27) For a perfect incompressible liquid flowing in a continuous stream, the total energy of a particle remains the same while the particle moves from one point to another. This statement is called

Answer is:

Bernoulli's equation

For a perfect incompressible liquid flowing in a continuous stream, the total
energy of a particle remains the same while the particle moves from one point to another. This statement is called

28) A moving fluid mass may be brought to a static equilibrium position by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Answer is:

D-Alembert's principle

29) The brake power of a diesel engine, keeping other parameters constant, can be increased by

Answer is:

increasing the pressure of intake air

30) Pre-ignition is caused by the spontaneous combustion of the mixture before the end of the compression stroke, and is due to

Answer is:

Any one of these

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