Related Questions

The time interval from when the given star passes directly overhead to when it next passed directly overhead, is defined as
A one sidereal day
B one solar day
C both the terms are similar, so any of these may be used
D None of the above
When the actual overhead is less than the absorbed overhead it is ________.
A over absorption
B under absorption
C equal absorption
D major absorption
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
A Interface
B Modem
C Attenuation
D Teleprocessor
E None of the above
Overhead lines for power supply to tram cars are at a minimum height of
A 3 m
B 6 m
C 10 m
D 15 m
Which of the following materials is used for overhead transmission lines?
A Steel cored aluminium
B Galvanised steel
C Cadmium copper
D Any of the above
The conductors of the overhead lines are
A solid
B stranded
C both solid and stranded
D none of the above
The advantage of cables over overhead transmission lines is
A Easy maintenance
B Low cost
C Can be used in congested areas
D Can be used in high voltage circuits
Distribution lines in India generally use
A Wooden poles
B R.C.C. poles
C Steel towers
D None of the above
The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is
A 6
B 9
C 12
D 18
A typist can type 125 pages, 36 lines cach, 11 words in each line in 5 days. How many pages of 30 lines each and 12 words to each line can he type in 6 days?
A 160
B 165
C 170
D 175

Next steps