Power System - I (3140914) MCQs

MCQs of Conventional Generation, Load Curves and Tariffs

Showing 51 to 60 out of 425 Questions
3 4 5 6 7 8
51.
The pumped storage scheme is employed to supply
(a) During the peak hours
(b) During the off-peak hours
(c) System base load
(d) None of above
Answer:

Option (a)

52.
In pumped storage scheme, the generator is also used as
(a) Induction generator or synchronous condenser
(b) Induction generator or synchronous motor
(c) Synchronous generator or induction generator
(d) Synchronous motor or synchronous condenser
Answer:

Option (d)

53.
Pump storage schemes are used to improve
(a) Power factor
(b) Diversity factor
(c) Load factor
(d) Plant capacity factor and load factor of plant
Answer:

Option (d)

54.
Bulb turbines are
(a) Low head axial flow turbines
(b) High speed turbines
(c) High head turbines
(d) High pressure turbines
Answer:

Option (a)

55.
Bulb turbines
(a) Can be used at very low and widely varying heads
(b) Are smaller, faster and easier to build than other types and are cheaper in capital cost than Kaplan turbines
(c) Are universally used for small hydro-schemes
(d) All of above
Answer:

Option (d)

56.
In turbulent flow
(a) Cohesion is more effective than momentum transfer in causing shear stress
(b) Shear stresses are usually larger than those in laminar flow
(c) The fluid particle move in an orderly manner
(d) Momentum transfer is on molecular scale only
Answer:

Option (b)

57.
Vacuum can be measured by
(a) Rotameter
(b) Pilot tube
(c) U-tube manometer
(d) Venturimeter
Answer:

Option (c)

58.
Rotameter is used for measuring
(a) Fluid discharge
(b) Fluid density
(c) Fluid viscosity
(d) All of above
Answer:

Option (a)

59.
In India, largest thermal power station is located at
(a) Chandrapura
(b) Kota
(c) Neyveli
(d) Sarni
Answer:

Option (a)

60.
A steam power station needs space
(a) Less than that required by the diesel power station of the same output
(b) Less than that required by atomic power station of the same output
(c) Less than that required by hydro-power station of the same capacity
(d) Less than that required by a gas turbine power station of the same output
Answer:

Option (c)

Showing 51 to 60 out of 425 Questions
3 4 5 6 7 8