93. Pirani gauge 18 used for the measurement of
(A) atmospheric pressure (B) high vacuum
(0) very high pressure (D) moderate pressure

94. Which of the following cannot be used for composition analysis ?
(^) hydrometer (B) Mass spectrometer
(C) X-ray diffraction (D) Thermal conductivity cell

95. Ifa reaction proceeds with increase in number of moles, presence of inert in the system
will
(A) _ increase equilibrium yield (B) decrease equilibrium yield

(C) 70 change equilibrium yield (D) cannot be predicted

96. Steps involved in a Carnot cycle are
(A) Two isothermals and two isobarics
(B) Two isothermal and two isentropics
(C) Two isobarics and two isochorics
(D) Two isentropics and two isobarics

97. Which of the following is an extensive property ?
(^) density (8) specific heat capacity
(0) entropy (D) molar entropy

98. For a system consisting of ‘p’ phases and ‘c’ components, if number of independent
reactions involved are ‘r’, number of degrees of freedom is given by
(A) F=c-p+2 (8) F=c-p+rt+2
(ಲ) F=c-p-r-2 (2) F=c-p-rt+2

99. Negative value of Joule -Thomson co-efficient indicates
(A) Decrease in temperature of gas on throttling
(B) Increase in temperature of gas on throttling
(C) Temperature of gas remains constant on throttling
(D) Joule -Thomson co-efficient is not related to temperature change

100. If 14 g of nitrogen and 4 g of hydrogen undergo reaction to produce ammonia, the
product stream contains (assume complete conversion of limiting reactant)
(A) 2 £ hydrogen and 17 ഉ ammonia
(B) 7 gnitrogen and 17 ‏ع‎
‎(C) 1 ‏ع‎ hydrogen and 17 ‏ع‎ ammonia
(D) 17 gammonia alone