In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that ?
(A) Compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller
(B) Maintaining vacuum on tube side is more difficult than that on the shell side
(C) Water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam
(D) Condenser can act as a storage unit for condensed steam
Steel balls are manufactured by_____________________?
(A) Sintering
(B) Casting
(C) Cold heading
(D) Spinning
____________________ are normally subjected to sub-zero treatment?
(A) Highly stressed parts
(B) Gauges or precision parts
(C) Cold rolled sheets
(D) Non machinable materials
Auto collimator is used to check____________________?
(A) Flatness
(B) Angle
(C) Rotor balancing
(D) Roughness
__________________ fluid force is not considered in the Navier-Stokes equation?
(A) Turbulent
(B) Viscous
(C) Gravity
(D) Pressure
The most important consideration in value engineering is the_____________________?
(A) Profit maximisation
(B) Customer satisfaction
(C) Cost reduction
(D) Process improvement
‘Ice point’ is designated on Fahrenheit temperature scale by__________________?
(A) 0°
(B) 32°
(C) 62°
(D) 212°
Maximum consumption of limestone is in the ____________________ industry?
(A) Iron and steel
(B) Cement
(C) Glass
(D) Fertiliser