Related Questions

In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode.
A accelerates
B decelerates
C any of the above
D none of the above
In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as
A maximum grid voltage
B critical grid voltage
C any of the above
D none of the above
In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of
A Shunt motor
B Synchronous motor
C Induction regulator
D Synchronous generator
Throttle governing of steam engines is a method of controlling the engine output by varying
A Volume of intake steam
B Pressure of intake steam
C Temperature of intake steam
D All of these
Cut-off governing of steam engines is a method of controlling the engine output by varying
A Volume of intake steam
B Pressure of intake steam
C Temperature of intake steam
D All of these
If the negative potential on the control grid of CRT is increased, the intensity of spot ___________.
A Is increased
B Is decreased
C Remains the same
D None of the above
When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
A cantilever beam of length L carries a gradually varying load form zero at free and w per unit length at the fixed end. The maximum deflection lies at
A free end
B fixed end
C L/3 sloping side
D none of these
[Answer the question based on what is stated or implied in the statement or passage.] With varying success, many women around the world today struggle for equal rights. Historically world today struggle for equal rights. Historically, women have achieved greater equality with men during periods of social adversity - revolution, war, and the rigours of pioneering in an underdeveloped land the essential element that improved the status of women was a shortage of men. We can conclude that-
A women today are highly successful in winning equal rights
B only pioneer women have been considered equal to men
C historically, women have only achieved equality through force
D historically, equality alone has not been enough to secure women rights
A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be
A $$\frac{{{\text{wa}}}}{{27}}$$
B $$\frac{{{\text{w}}{{\text{a}}^2}}}{{27}}$$
C $$\frac{{{{\text{w}}^2}{\text{a}}}}{{\sqrt {27} }}$$
D $$\frac{{{\text{w}}{{\text{a}}^2}}}{{9\sqrt 3 }}$$

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