37) A platinum Resistance Temperature Detector has resistance of 100 Ohm at 0 Degree Centigrade and temperature coefficient of 0.4 Ohm/degree centigrade. When it is pasted on a surface it shows a resistance of 120 Ohm. What is the temperature of the surface?

-50 degree centigrade

40 degree centigrade

50 degree centigrade

250 degree centigrade

Answer is:

50 degree centigrade

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

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38) Given, base area of a cute is 25 square centimeter. Then, its volume is

50 cubic centimeter

100 cubic centimeter

625 cubic centimeter

125 cubic centimeter

Answer is:

125 cubic centimeter

39) A tank of width 9m and length 24m is filled with water to a depth of 10m. Calculate the pressure at the bottom of the tank

98 Pa

760 Pa

10000 Pa

98000 Pa

Answer is:

98000 Pa

40) Calculate the DC output of a half wave rectifier used to rectify an AC sinusoidal signal of 12V rms (assume ideal diode)

5.4 V

17 V

3.8 V

10.8 V

Answer is:

5.4 V

41) A piezo electric type accelerometer has a sensitivity of 50 mV/g. The transducer is subjected to a constant acceleration of 5g. What is the output of the accelerometer?

250 mV

500 mV

100 mV

50 mV

Answer is:

250 mV

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

For more MCQ's Click Here

37) A platinum Resistance Temperature Detector has resistance of 100 Ohm at 0 Degree Centigrade and temperature coefficient of 0.4 Ohm/degree centigrade. When it is pasted on a surface it shows a resistance of 120 Ohm. What is the temperature of the surface?

50 degree centigrade

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

Related ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

38) Given, base area of a cute is 25 square centimeter. Then, its volume is

125 cubic centimeter

39) A tank of width 9m and length 24m is filled with water to a depth of 10m. Calculate the pressure at the bottom of the tank

98000 Pa

40) Calculate the DC output of a half wave rectifier used to rectify an AC sinusoidal signal of 12V rms (assume ideal diode)

5.4 V

41) A piezo electric type accelerometer has a sensitivity of 50 mV/g. The transducer is subjected to a constant acceleration of 5g. What is the output of the accelerometer?

250 mV

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key