TOP MCQ
APPLIED THERMODYNAMICS OBJECTIVE TYPES QUESTIONS WITH ANSWERS.
Here may be a list of Top MCQ of Applied Thermodynamics Objective Type Questions And Answers provided for the AKTU and ALL OTHER UNIVERSITIES EXAMINATIONS . All the MCQ questions are most vital for AKTU especially. These sort of Objective questions are going to be asked in Diploma and Degree Internal Examinations.
1.
The version produced by a steel chimney is in contrast to the version made by a
brick chimney for the
same height.
(a) less
(b) more
(c) the same
(d) may be more or less
2.
In boiler installation the natural version is removed
(a) because light furnace gases pass through the chimney
allowing cold air from outside to enter
(b) because the grip pressure due to a cold
column is higher than the pressure at the bottom
of the chimney due to a hot column
(c) because the pressure at the top of the chimney is
greater than the environmental pressure
(d) all of the above
3.
Extracted version, for certain chimney height and average chimney gas
temperature
(a) decreases with increasing outdoor air
temperatures
(b) increases with increasing outdoor air temperatures
(c) remain the same regardless of the outside air
temperature
(d) may increase or decrease with an increase in the
temperature of the outside air
4.
The version made by a chimney of a certain height at a certain outside
temperature
(a) decreases if the chimney gas temperature rises
(b) goes up if the chimney gas temperature
rises
(c) remain the same regardless of the chimney gas
temperature
(d) may increase or decrease
5.
For a forced system version, chimney work is predominant
(a) draw up a form to accelerate fuel
(b) the release of gases above into the
atmosphere to avoid danger
(c) to reduce the temperature of the released hot gases
(d) none of the above
6.
A pseudo-version is produced by
(a) stay motivated
(b) stay emergency
(c) remain motivated and compelled
(d) all of the above
7.
The version in locomotive boilers is extracted by
(a) stay alert
(b) similear
(c) steam jet
(d) direct movement of locomotives
8.
For the same version issued the fan power is draft inspired as opposed to
emergency fan version.
(a) less
(b) more
(c) the same
(d) not expected
9.
A pseudo-version is derived by
(a) air fans
(b) steam jet
(c) steam fan or jet
(d) all of the above
10.
The artificial version is usually designed to produce
(a) less smoke
(b) more draft
(c) lower chimney gas temperature
(d) all of the above
11.
For the inspired version the fan is set
(a) near the bottom of the chimney
(b) near the bottom of the furnace
(c) at the top of the chimney
(D) any space allowed
12.
The pressure of the furnace is at least unknown
(a) a version of a compulsory system
(b) draft system of incentives
(c) a fair system design
(d) the appearance of a natural system
13.
Chimney efficiency is all around
(a) 80%
(b) 40%
(c) 20%
(d) 0.25%
14.
The isentropic expansion of steam through a nozzle for the steam heated at the
inlet is almost equal.
(a) pvls = C.
(b) pv1126 = C.
(c) pv1A = C.
(d) pv = C.
15.
The ratio of exhaust pressure to inlet pressure is for the maximum flow rate
per unit of steam
through a nozzle when steam is first dry.
(a) 0.6
(b) 0.578
(c) 0.555
(d) 0.5457
16.
The ratio of leaving pressure to pressure into the maximum flow rate for each
range of steam through a
nozzle when steam is first heated
(a) 0.555
(b) 0.578
(c) 0.5457
(d) 0.6
17. The critical pressure ratio of a convergent nozzle is defined as
(a) the ratio of weight to external circulating pressure
(b) the ratio of outward pressure to inward pressure
except where the high flow rate per unit area is at least
(c) the ratio of external pressure to inward
pressure except when high flow rate = c
18.
The isentropic expansion of steam through a nozzle for the steam first dried at
heel is near equation.
(a) pv = C.
(b) pv1A = C.
(c) pv1i = C.
(d) pv
19.
The effect of considering fracture loss in steam pressure for the same weight
ratio leads to
(a) an increase in the distance left from the nose
(b) reduction in exit distance from the nose
(c) no change in the distance from the nose
(d) increase or decrease in steam quality
20.
The effect of considering friction in steam sticks for the same weight ratio
leads to
(a) increase in exit steam dryness
(b) reduction in exit steam dryness
(c) no change in exhaust steam quality
(d) reduction or increase in the degree of exhaustion of
exhaust fumes in accordance with indoor quality
21.
In case of steam turbine
(a) enthalpy collapse in fixed and mobile plates
(b) enthalpy fall only occurs in movable blades
(c) there is an enthalpy fall in cigarettes
(d) none of the above
22.
The pressure on both sides of a steam turbine impulse wheel
(a) is the same
(b) different
(c) elevation from one side to the other
(d) descending from one side to the other
23.
In De Laval steam turbine
(a) the pressure in the rotor of the turbine is
about the same as that of the con¬denser
(b) the pressure in the rotor of the turbine is higher
than the pressure in the con¬denser
(c) the pressure in the rotor of the turbine gradually
decreases from heel to exit from condenser
(d) any of the above
24.
Incorporation of reciprocating steam turbine
(a) enthalpy collapse is present in both fixed
and movable plates
(b) enthalpy drop only occurs in fixed plates
(c) there is enthalpy fall only in movable blades
(d) none of the above
25.
Curtis turbine
(a) reactor steam turbine
(b) pressure mixed steam turbine
(c) pressure steam turbine
(d) complex tension steam turbine
26.
Rateau steam turbine
(a) reactor steam turbine
(b) complex tension steam turbine
(c) pressure steam turbine
(d) faster steam turbine
27.
Parson turbine
(a) a weighted steam turbine
(b) simple wheel, steam turbine
(c) single-wheel response steam turbine
(d) multi-wheel reciprocating steam turbine
28.
For a Parson reactor steam turbine, the rate of refraction
(a) 75%
(b) 100%
(c) 50%
(d) 60%
29.
Reheating factor in steam turbines is dependent
(a) exit pressure only
(b) level efficiency only
(c) initial pressures and temperature only
(d) all of the above
30.
Heating factor value usually varies from
(a) 0.5 to 0.6
(b) 0.9 to 0.95
(c) 1.02 to 1.06
(d) 1.2 to 1.6
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