BIT BANK 2024-25
SIDDARTHA INSTITUTE OF SCIENCE AND TECHNOLOGY
(AUTONOMOUS)
(Approved by AICTE, New Delhi & Affiliated to JNTUA, Ananthapuramu)
(Accredited by NAAC with “A” Grade & ISO 9001 : 2008 Certified Institution)
QUESTION BANK (OBJECTIVE)
Subject with Code : POWER SYSTEMS-I(23EE0213)
Course & Branch : II B. Tech & EEE
Year & Semester : I - B. Tech. & I - Semester Regulation : R23
UNIT –I
HYDROELECTRIC AND THERMAL POWER STATION
1 Which of the following is not a requirement for site selection of hydroelectric power plant?
A) Availability B) Large C) Rocky land D) Sediment [ ]
of water catchment ation
area
2 The amount of electrical energy that can be generated by a hydroelectric power plant
depends upon ___________ [ ]
A) Head of water B) Quantity of C) Specific D) Efficiency of
water weight of Alternator
water
Hydroelectric power plant is __________
3
[ ]
A) Non- B) Conventional C) Non- D) Continuous
renewable source of conventional source of energy
source of energy source of
energy energy
4 Hydroelectric power plant is mainly located in ____________
[ ]
A) Flat areas B) Deserts C) Hilly areas D) Deltas
Which of the following is not an advantage of hydroelectric power plant?
5
[ ]
A) B) low running C) continuous D) no standby losses
no fuel
cost power source
requirement
6 Which element of hydroelectric power plant prevents the penstock from water hammer
[ ]
phenomenon?
A) Valves B) Draft tubes C) Spillway D) Surge Tank
and
Gates
7 Dam having very wide base as compared to its height is called _________
[ ]
A) buttress dam B) arch dam C) earth dam D) solid gravity
dam
POWER SYSTEMS-I(23EE0213) Page 1
,8 Penstock in a hydroelectric power plant is _____________
[ ]
A) a pipe B) nozzle that C) a conduit D) a pipe
connected to release high connecting connecting surge
runner outlet pressure water forebay to tank to dam
on turbine turbine
blades
9 Trash racks are located ____________
[ ]
A) near tailrace B) at the entrance of C) inside D) intake
turbine penstock
10 What is the basic requirement of hydroelectric power station?
[ ]
A) Reservoir B) Turbine C) Power house D) Penstock
11 What is used to prevent the entry of debris into turbine?
[ ]
A) Wiper B) Fore bay C) Trash rack D) Filter
12 A pipe between surge tank and prime mover is known as? [ ]
A) Canal B) Draft tube C) Penstock D) Hose
13 A safety valve for a dam to discharge major floods is called? [ ]
A) Spillway B) Penstock C) Fore bay D) Canal
14 Which of the following is not a primary fuel used in a thermal power plant? [ ]
A) Coal B) Natural gas C) Nuclear fuel D) Solar energy
15 Which component of a thermal power plant converts heat energy into mechanical energy? [ ]
A) Boiler B) Turbine C) Condenser D) Generator
16 What is the role of a condenser in a thermal power plant? [ ]
A) To generate B) To increase C) To convert D) To condense the
electricity the temperature mechanical steam back into
of the steam energy into water
electrical
energy
17 The major heat loss in a steam power station occurs in [ ]
A) Economiser B) Spillways C) Condenser D) None of the
above
18 In thermal power plant, turbine is placed [ ]
A) before boiler B) in between C) after generator D) any of the above
boiler and
generator
19 In thermal power plants, the dust of flue gases is trapped by [ ]
POWER SYSTEMS-I(23EE0213) Page 2
, A) Precipitator B) Economizer C) Superheater D) Air preheater
20 The following is not a component of Thermal power plant [ ]
A) Condenser B) Cooling tower C) Turbine D) Fuel tank
21 The thermal efficiency of a steam power station is [ ]
A) 38% B) 28% C) 40% D) 45%
22 [ ]
The cost of fuel transportation is maximum in
A) Hydro-electric B) Steam power C) Nuclear power D) All
power plant plant plant
23 Which of the following are the components of a thermal power plant? [ ]
A) Boiler and B) Turbine and C) Condenser and D) All of these
Turbine Condenser Cooling tower
24 Which of the following components help to increase the efficiency of a boiler? [ ]
A) Safety valve B) Water level C) Steam stop valve D) Economizer
indicator
25 From where you should take the heat to increase the temperature of the air in the air [ ]
preheater?
A) Steam B) Water C) Ash D) Flue gas
26 Air-preheaters should be located in ____. [ ]
A) Exhaust flue B) Exhaust flue gas C) Within the D) In the steam path
gas path, path, after the furnace, in the
before the chimney emitting flue gas
chimney path
27 The purpose of installing the Air pre-heater and Economizer is ____. [ ]
A) To increase the B) To superheat the C) To remove the D) To extract the
temperature of steam particulate heat from the
the steam matters from the flue gas
flue gas
28 The height of chimney in a steam power plant is governed by........ [ ]
A) Flue gases B) The draught C) Control of D) Corner of power
quantity to be pollution plant
produced
POWER SYSTEMS-I(23EE0213) Page 3
SIDDARTHA INSTITUTE OF SCIENCE AND TECHNOLOGY
(AUTONOMOUS)
(Approved by AICTE, New Delhi & Affiliated to JNTUA, Ananthapuramu)
(Accredited by NAAC with “A” Grade & ISO 9001 : 2008 Certified Institution)
QUESTION BANK (OBJECTIVE)
Subject with Code : POWER SYSTEMS-I(23EE0213)
Course & Branch : II B. Tech & EEE
Year & Semester : I - B. Tech. & I - Semester Regulation : R23
UNIT –I
HYDROELECTRIC AND THERMAL POWER STATION
1 Which of the following is not a requirement for site selection of hydroelectric power plant?
A) Availability B) Large C) Rocky land D) Sediment [ ]
of water catchment ation
area
2 The amount of electrical energy that can be generated by a hydroelectric power plant
depends upon ___________ [ ]
A) Head of water B) Quantity of C) Specific D) Efficiency of
water weight of Alternator
water
Hydroelectric power plant is __________
3
[ ]
A) Non- B) Conventional C) Non- D) Continuous
renewable source of conventional source of energy
source of energy source of
energy energy
4 Hydroelectric power plant is mainly located in ____________
[ ]
A) Flat areas B) Deserts C) Hilly areas D) Deltas
Which of the following is not an advantage of hydroelectric power plant?
5
[ ]
A) B) low running C) continuous D) no standby losses
no fuel
cost power source
requirement
6 Which element of hydroelectric power plant prevents the penstock from water hammer
[ ]
phenomenon?
A) Valves B) Draft tubes C) Spillway D) Surge Tank
and
Gates
7 Dam having very wide base as compared to its height is called _________
[ ]
A) buttress dam B) arch dam C) earth dam D) solid gravity
dam
POWER SYSTEMS-I(23EE0213) Page 1
,8 Penstock in a hydroelectric power plant is _____________
[ ]
A) a pipe B) nozzle that C) a conduit D) a pipe
connected to release high connecting connecting surge
runner outlet pressure water forebay to tank to dam
on turbine turbine
blades
9 Trash racks are located ____________
[ ]
A) near tailrace B) at the entrance of C) inside D) intake
turbine penstock
10 What is the basic requirement of hydroelectric power station?
[ ]
A) Reservoir B) Turbine C) Power house D) Penstock
11 What is used to prevent the entry of debris into turbine?
[ ]
A) Wiper B) Fore bay C) Trash rack D) Filter
12 A pipe between surge tank and prime mover is known as? [ ]
A) Canal B) Draft tube C) Penstock D) Hose
13 A safety valve for a dam to discharge major floods is called? [ ]
A) Spillway B) Penstock C) Fore bay D) Canal
14 Which of the following is not a primary fuel used in a thermal power plant? [ ]
A) Coal B) Natural gas C) Nuclear fuel D) Solar energy
15 Which component of a thermal power plant converts heat energy into mechanical energy? [ ]
A) Boiler B) Turbine C) Condenser D) Generator
16 What is the role of a condenser in a thermal power plant? [ ]
A) To generate B) To increase C) To convert D) To condense the
electricity the temperature mechanical steam back into
of the steam energy into water
electrical
energy
17 The major heat loss in a steam power station occurs in [ ]
A) Economiser B) Spillways C) Condenser D) None of the
above
18 In thermal power plant, turbine is placed [ ]
A) before boiler B) in between C) after generator D) any of the above
boiler and
generator
19 In thermal power plants, the dust of flue gases is trapped by [ ]
POWER SYSTEMS-I(23EE0213) Page 2
, A) Precipitator B) Economizer C) Superheater D) Air preheater
20 The following is not a component of Thermal power plant [ ]
A) Condenser B) Cooling tower C) Turbine D) Fuel tank
21 The thermal efficiency of a steam power station is [ ]
A) 38% B) 28% C) 40% D) 45%
22 [ ]
The cost of fuel transportation is maximum in
A) Hydro-electric B) Steam power C) Nuclear power D) All
power plant plant plant
23 Which of the following are the components of a thermal power plant? [ ]
A) Boiler and B) Turbine and C) Condenser and D) All of these
Turbine Condenser Cooling tower
24 Which of the following components help to increase the efficiency of a boiler? [ ]
A) Safety valve B) Water level C) Steam stop valve D) Economizer
indicator
25 From where you should take the heat to increase the temperature of the air in the air [ ]
preheater?
A) Steam B) Water C) Ash D) Flue gas
26 Air-preheaters should be located in ____. [ ]
A) Exhaust flue B) Exhaust flue gas C) Within the D) In the steam path
gas path, path, after the furnace, in the
before the chimney emitting flue gas
chimney path
27 The purpose of installing the Air pre-heater and Economizer is ____. [ ]
A) To increase the B) To superheat the C) To remove the D) To extract the
temperature of steam particulate heat from the
the steam matters from the flue gas
flue gas
28 The height of chimney in a steam power plant is governed by........ [ ]
A) Flue gases B) The draught C) Control of D) Corner of power
quantity to be pollution plant
produced
POWER SYSTEMS-I(23EE0213) Page 3
