Which property is essential for a metal to draw it into thin wires ?
(a) malleability
(b) Hardness
(c) Plasticity
(d) Ductility
Which is the hardest from these ?
(a) High Carbon Steel
(b) Glass
(c) Diamond
(d) Granite
The unit of energy in S.I system is
(a) Watt
(b) Joule
(c) Joule/ min
(d) Joule/ meter
The first law of thermodynamics is related to
(a) Conservation of mass
(b) Conservation of energy
(c) Conservation of momentum
(b) Conservation of heat
One cubic meter of water is equal to
(a) 100 litres
(b) 20 litres
(c) 500 litres
(d) 1000 litres
Which of the following is dimension less ?
(a) Specific heat
(b) Specific volume
(c) Specific gravity
(d) None of these
Viscosity of a fluid
(a) make resistance in flowing
(b) helps in flowing
(c) increases its conductivity
(d) None of these
The atmospheric pressure at sea level is
(a) 103 kN/meter sq.
(b) 10.3 m of water
(c) 760 mm of mercury
(d) All of these
The Bernoulli’s equation is based on the assumption that
(a) There is no loss of energy of the liquid flowing
(b) The velocity of flow is uniform across any cross-section of the pipe
(c) No force except gravity acts on the fluid
(d) All of the above
In a venturimeter, the velocity of liquid at throat is _________ than at inlet.
(a) higher
(b) lower
(c) equal
(d) None of these
In a centrifugal pump the liquid enters the pump
(a) at the top
(b) at the bottom
(c) at the centre
(d) None of these
Pelton wheel turbine is
(a) axial flow impulse turbine
(b) raidal flow impulse turbine
(c) tangential flow impulse turbine
(d) tangential flow reaction turbine
For small discharge at high pressure, following pump is suitable
(a) Centrifugal pump
(b) Axial flow pump
(c) Mixed flow pump
(d) Reciprocating pump
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