Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an

Match the following (a) Laboratory Thermometer (i) Avoids use of mercury (b) Clinical Thermometer (ii) To measure the boiling point of water (c) Digital Thermometer (iii) To check the temperature of atmosphere around (d) Maximum Minimum Thermometer (iv) To check body temperature

A

(a) - (ii), (b) - (iv), (c) - (iii),(d) - (i)

B

(a) - (i), (b) - (iii), (c) - (iv),(d) - (ii)

C

(a) - (iv), (b) - (iii), (c) - (ii),(d) - (i)

D

(a) - (ii), (b) - (iv), (c) - (i),(d) - (iii)

Match List-I with List-II and select the correct answer using the code given below the Lists: List I (Low-Latitude Climate) List I (Characteristic) A. Wet Equatorial 1. Uniform temperatures, mean near 27°C B. Monsoon and trade wind coastal 2. Marked temperature cycle with very high temperature before the rainy season C. Wet-dry tropical 3. Temperatures show an annual cycle with a high temperature in the high-Sun season Strong temperature cycle. with intense temperature during the high-Sun season D. Dry tropical 4. Strong temperature cycle, with intense temperature during the high-Sun season

A

A - 2, B - 3, C- 4, D - 1

B

A - 1, B - 2, C - 3, D - 4

C

A - 2, B - 4, C - 3, D - 1

D

A -1, B - 3, C - 2, D - 4

For better resistance welding, the metal must have
P. high electrical resistivity and low melting point
Q. high thermal conductivity
R. high electrical resistivity and high melting point
S. low thermal conductivity

A

P, Q

B

P, S

C

R, Q

D

R, S

Consider a thermistor having the following specifications: RF=150kΩ at a reference temperature of 35oC and temperature coefficient of resistance = 25oC. Determine the change in resistance at 100oC.

A

-1.625MΩ

B

9.75MΩ

C

4.78MΩ

D

None of the mentioned

In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Therefore, it has become an integral part of our life. B: Thermometers are widely used in technology and industry to monitor processes, in meteorology, in medicine, and in scientific research. C: A thermometer has two important elements: a temperature sensor, and some means of converting this change into a numerical value. D: A thermometer is a device that measures temperature or a temperature gradient.

A

DCBA

B

DABC

C

DCAB

D

CDBA

Consider the following statements regarding the Remote Sensing Survey: 1) Information transfer is accomplished by the use of electromagnetic radiation 2) Remote Sensing from space is done by satellites 3) Remote Sensing has no application in Earthquake prediction Which of the above statements are correct?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample. What would be the corresponding reading in a Celsius thermometer?

A

574

B

301

C

273

D

232

Which of the following sentences are true? a. In resistive thermometer, the change in resistance of material per unit change in temperature should be as small as possible. b. Thermometers are semiconductors which behave as resistors with high positive temperature coefficient. c. Thermometers are composed of metallic oxides. d. Thermometers are used for the measurement of level flow and pressure of fluids.

A

a and b are true

B

b and c are true

C

a and c are true

D

only d is true

The phase difference of the waves 1 and 2 at A in the given figure is:
Elements of Remote Sensing mcq question image

A

$$\frac{\pi }{4}$$

B

$$\frac{\pi }{2}$$

C

$$\pi $$

D

$$\frac{{3\pi }}{2}$$

In the given figure the phase of
Elements of Remote Sensing mcq question image

A

Crest A is $$\frac{\pi }{2}$$

B

B crossing is $$\pi $$

C

Trough C is $$\frac{{3\pi }}{2}$$

D

All of these

Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an

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