Related Questions

Slip ring motor is preferred over squirrel cage induction motor where
A High starting torque is required
B Load torque is heavy
C Heavy pull out torque is required
D All of the above
The stating torque of the slip ring induction motor can be increased by adding
A External inductance to the rotor
B External resistance to the rotor
C External capacitance to the rotor
D Both resistance and inductance to rotor
Belted slip ring induction motor is almost invariably used for
A Water pumps
B Jaw crushers
C Centrifugal blowers
D None of the above
The maximum recommended pulse rate R, when exercising , for a person who is x years of age is given by the equation R = 176- 0.8 x. what is the age , in years , of a person whose maximum recommended pulse rate when exercising is 140?
A 40
B 45
C 50
D 55
The maximum recommended pulse rate R, when exercising .for a person who is x years of age is given by the equation R = 176 - 0.8 x . what is the age, in years , of a person whose maximum recommended pulse rate when exercising is 140?
A 40
B 45
C 50
D 55
Six bells starts ringing logether and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. How many times will they ring together in 60 minutes?
A 15
B 16
C 30
D 31
The function of a first compression ring (top ring) is that it
A Increases the combustion temperature
B Creates swirl
C Maintains a seal and prevents the fuel leakage
D Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
M.I. of a thin ring (external diameter D, internal diameter d) about an axis perpendicular to the plane of the ring, is
A $$\frac{\pi }{{64}}\left( {{{\text{D}}^4} + {{\text{d}}^4}} \right)$$
B $$\frac{\pi }{{32}}\left( {{{\text{D}}^4} - {{\text{d}}^4}} \right)$$
C $$\frac{\pi }{{32}}\left( {{{\text{D}}^4} + {{\text{d}}^4}} \right)$$
D $$\frac{\pi }{{32}}\left( {{{\text{D}}^4} \times {{\text{d}}^4}} \right)$$
Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about __________ percent.
A 5
B 20
C 35
D 55
And when this happens, and when we allow freedom ring, when we let it ring from every village and every hamlet ____ will be able to join hands and sing in the words of the old Negro spiritual, "Free at last! In this statement what does the word hamlet refer to  __
A a dream
B a state
C a small village
D a poem

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