(c) Pressure (111) N/m2
(d) Viscosity (iv) Nm

A:-(a)-(i), (b)-(ii), ()-(iii), (d)-(iv)
B:-(a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
C:-(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
D:-(a)-(iv), (b)-(i), (¢)-(iii), (d)-(ii)
Correct Answer:- Option-C

Question39:-A chromel-alumel thermocouple generates an e.m.f. of 10 mV.
Determine the temperature of the hot junction of the cold junction is at a
temperature of 15°C and the sensitivity if the thermocouple is 0.04 mv/°C

A:-250°C
B:-265°C
C:-235°C
D:-375°C
Correct Answer:- Option-B

Question40:-Which of the following manometric fluids should be used to determine
the pressure difference between two horizontal pipes, through which water is
flowing, using an inverted manometer?

A:-Manometric fluid with a specific gravity of 15.4
B:-Manometric fluid with a specific gravity of 0.7
C:-Both Manometric fluids can be used

D:-None of the manometric fluids can be used
Correct Answer:- Option-B

Question41:-Two pipes, each of diameter d1, converge to form a pipe of diameter
d2. What should be the relation between d1 and d2 such that the velocity in the
pipe with diameter d2 becomes double of that in each of the pipes with diameter
01?

4:-01-02
8:-01- 2
C:-d2=d1/2
D:-d2=d1/4
Correct Answer:- Option-A
Question42:-The working principle of a Pirani gauge is based on
A:-Thermal conductivity
B:-Piezoelectric effect
C:-Magnetic induction
D:-lonization of gas molecules

Correct Answer:- Option-A