Related Questions

A triac is a ___________ switch
A Bidirectional
B Unidirectional
C Mechanical
D None of the above
The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant
A Transistor
B SCR
C UJT
D none of the above
A Triac has three terminals viz ___________
A Drain, source, gate
B Two main terminal and a gate terminal
C Cathode, anode, gate
D None of the above
A triac has ___________ semiconductor layers.
A Two
B Three
C Four
D Five
The triac is ___________.
A Like a bidirectional SCR
B A four-terminal device
C Not a thyristor
D None of the above
A triac is equivalent to two SCRs ___________.
A In parallel
B In series
C In inverse-parallel
D None of the above
If all the conditions and dimensions are same, then the ratio of velocity through the tubes of a double pass heat exchanger to that through the single pass heat exchanger is
A 1
B 2
C $$\frac{1}{2}$$
D 4
The latitudes that pass through Sikkim also pass through
A Rajasthan
B Punjab
C Himachal Pradesh
D Jammu & Kashmir
When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)
A Is at the maximum distance from CG of the rivet group
B Is at the minimum distance from CG of the rivet group
C Gives the maximum angle between the two forces Fa and Fm
D Gives the minimum angle between the two forces Fa and Fm
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed
A 10 mm
B 15 mm
C 20 mm
D 25 mm

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