TANCET2005(Q11toQ20)

TANCET (Questions from Question Paper for Year 2005)

11. Strain guage, LVDT and thermocouple may be classified as
A) Active transducers
B) Analog transducers
C) Primary transducers
D) Passive transducers

12. In a microcomputer, wait states are used for
A) Make the processor wait during a DMA operation
B) Make the processor wait during an interrupt processing
C) Make the processor wait during a power processing
D) Interface slow peripherals to the processor

13. The function of a shunt in an ammeter is to
A) Bypass the current
B) Increase the current in the coil
C) Decrease the voltage drop
D) Increase the meter resistance

14. What is the rms quantization noise voltage for a 10 bit system with a signal range of 0 to 3 V?
A) 0.847 mV
B) 1.19 mV
C) 3.76 mV
D) None of the above

15. In a moving coil instrument, the deflecting torque is proportional to
A) Current
B) Square of the current
C) Square root of the current
D) Cube root of the current

16. If, in a computer , 16 bits are used to specify addresses in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64k
D) All of the above

17. A periodic signal display on a spectrum analyzer as a signal vertical line. What would the signal look like on an oscilloscope?
A) Square Wave
B) Sawtooth Wave
C) Pulse Wave
D) Sine Wave

18. The diadvantage of dynamic RAM over static RAM is
A) Higher power consumption
B) Variable speed
C) Need to refresh the capacitor charge every once in 2 ms
D) Higher bit density

19. In a digital voltmeter , the oscillator frequency is 400 kHz and the ramp voltage falls from 8 V to 0 V  in 20 milli sec. The number of pulses counted by the counter is
A) 800
B) 2000
C) 4000
D) 8000

20. A memory system of size 16 K bytes is required to be designed using memory chips which have 12 address lines and 4 data lines each.
The number of such chips required to design the memory system is
A) 2
B) 4
C) 8
D) 16

Answer: 11-B; 12-D; 13-A; 14-C; 15-A; 16-C; 17-B; 18-C; 19-B; 20-B.