Related Questions

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
The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
A D/A converter
B A/D converter
C Voice recognition
D Adapter
E None of the above
কোনো খেলার সরাসরি সম্প্রচারের ডেটা ট্রান্সমিট হবার প্রক্রিয়া- (i) Broadcast Transmission (ii) Duplex Transmission (iii) Simplex Mode Transmission নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i ii ও iii
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
A Half the depth
B Half the breadth
C Twice the depth
D Twice the breadth
The hydraulic mean depth or the hydraulic radius is the ratio of
A Area of flow and wetted perimeter
B Wetted perimeter and diameter of pipe
C Velocity of flow and area of flow
D None of these
Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft?
A Hydraulic ram
B Hydraulic intensifier
C Hydraulic torque converter
D Hydraulic accumulator
The pump impeller and the turbine runner in a hydraulic torque converter
A Have the same diameter
B Have different diameters
C Are directly coupled
D None of these
The ratio of starting torque to full-load torque is least in case of
A Series motors
B Shunt motors
C Compound motors
D None of the above
The maximum torque multiplication ratio in a torque converter is about
A 2.5
B 10
C 25
D 40
The torque converter uses ________ to transfer torque.
A Air
B Automatic transmission fluid (ATF)
C Gears
D Steel belt

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