Related Questions

Q.(1-4): Answer the questions on the basis of the information given below. * F,G and H are insurance companies , Q,R,S and T are private detectives .Each detective works for at least one of the insurance companies. * Q always works for F and at least one of the other companies. Some of the time G employs only one of these detectives,' the rest of the time it employs exactly two of them. *F and H each employ exactly two of these detectives all the time. If R works for H only, and if S works for G and H only, T works for--
A F only
B G only
C H only
D both F and G
If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
A 2 : 1
B 5 : 3
C 7 : 5
D None of these
An AM receiver uses a diode detector for demodulation. This enables it satisfactorily to receive
A Single-sideband, suppressed-carrier
B Single-sideband, reduced-carrier
C ISB
D Single-sideband, full-carrier
The capacity of a material to be welded under the imposed fabrication conditions into a specific, suitably designed structure and to perform satisfactorily in the intended service is known as?
A Weldment
B Weld tab
C Weldability
D Tack weld
Star/star transformers work satisfactorily when
A load is unbalanced only
B load is balanced only
C on balanced as well as unbalanced loads
D none of the above
A watt's governor can work satisfactorily at speeds from
A 60 to 80 r.p.m.
B 80 to 100 r.p.m.
C 100 to 200 r.p.m.
D 200 to 300 r.p.m.
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.
A Equal to
B Less than
C More than
D None of these
Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent.
A 1
B 7
C 18
D 26
Whenever G employs only one detective, which of the following must be true? 1.R works for two insurance companies. 2. T works for G, 3. S works for two insurance companies
A 1 only
B 2 only
C 3 only
D 1 and 2 only
Which of the following is the main advantage of an auto-transformer over a two-winding transformer?
A Eddy losses are totally eliminated
B Copper losses are negligible
C Saving in winding material
D Hysteresis losses are reduced

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