Power System - Generation Test Set - 4

1)   The potential of developing tidal power in India is in

a. Kutch
b. Ran
c. San joe
d. Severn
Answer  Explanation  Related Ques

ANSWER: Kutch

Explanation:
No explanation is available for this question!


2)   Pugga valley in Ladakh is suitable for which among the following power generation?

a. Solar
b. Geo thermal
c. Wind
d. None of these
Answer  Explanation  Related Ques

ANSWER: Geo thermal

Explanation:
No explanation is available for this question!


3)   Presence of non – condensable gasses in a geo - pressured water causes

a. Pollution problem
b. Corrosion problem
c. Flow problem
d. All of the above
Answer  Explanation  Related Ques

ANSWER: All of the above

Explanation:
No explanation is available for this question!


4)   Direct conversion of heat energy into electrical energy is possible through

a. MHD generators
b. Fuel or solar cells
c. Thermionic converters.
d. Both (a) and (c)
e. None of these
Answer  Explanation  Related Ques

ANSWER: Both (a) and (c)

Explanation:
No explanation is available for this question!


5)   In geo thermal power plants waste water is

a. Discharged back to earth.
b. Discharged into the sea.
c. Recirculated after cooling in cooling towers.
d. Evaporated in ponds.
Answer  Explanation  Related Ques

ANSWER: Discharged back to earth.

Explanation:
No explanation is available for this question!


6)   What is a load curve?

a. A plot of load vs current.
b. A plot of load vs time.
c. A plot of load vs duration of time.
d. Total number of units generated vs time.
Answer  Explanation  Related Ques

ANSWER: A plot of load vs time.

Explanation:
No explanation is available for this question!


7)   What does the area under the load curve represent?

a. System voltage
b. Current
c. Energy consumed
d. Maximum demand
Answer  Explanation  Related Ques

ANSWER: Energy consumed

Explanation:
No explanation is available for this question!


8)   What does the highest point on the daily load curve represent?

a. Peak load
b. Maximum demand
c. Both (a) & (d)
d. None of these
Answer  Explanation  Related Ques

ANSWER: Maximum demand

Explanation:
No explanation is available for this question!


9)   Load curve of a generation is always

a. Positive slope
b. Zero slope
c. Negative slope
d. Combination of (a), (b) and (c)
Answer  Explanation  Related Ques

ANSWER: Combination of (a), (b) and (c)

Explanation:
No explanation is available for this question!


10)   If the daily load curve is divided by 24, what does this curve represent?

a. Average load for the day
b. Connected load
c. Maximum demand
d. Demand factor
Answer  Explanation  Related Ques

ANSWER: Average load for the day

Explanation:
No explanation is available for this question!


11)   What does a mass curve represent?

a. Average load
b. The total energy consumed by the load upto a particular time in a day
c. The number of hours for which a particular lasts during the day
d. The variation of load during different hours of the day
Answer  Explanation  Related Ques

ANSWER: The total energy consumed by the load upto a particular time in a day

Explanation:
No explanation is available for this question!


12)   The mass curve is plotted from which of the following curve?

a. Chronological curve
b. Energy load curve
c. Load duration curve
d. None of these
Answer  Explanation  Related Ques

ANSWER: Load duration curve

Explanation:
No explanation is available for this question!


13)   What does a load duration curve represent?

a. The variation of load during different hours of the day
b. Average load
c. The number of hours for which a particular lasts during the day
d. None of the above
Answer  Explanation  Related Ques

ANSWER: The number of hours for which a particular lasts during the day

Explanation:
No explanation is available for this question!


14)   What is the shape of the load duration curve?

a. Rectangular shape
b. Triangular shape
c. Parabolic shape
d. Free hand sketch
Answer  Explanation  Related Ques

ANSWER: Rectangular shape

Explanation:
No explanation is available for this question!


15)   Maximum and Minimum loads on the load duration curve is represented on which respective side?

a. Left and Right.
b. Right and Left.
c. Randomly.
d. None of these.
Answer  Explanation  Related Ques

ANSWER: Left and Right.

Explanation:
No explanation is available for this question!


16)   What does the chronological load curve indicate?

a. Variation in demand factor during 24 hours.
b. Variation of demand from instant to instant during 24 hour.
c. The total energy consumed upto different times of the day.
d. The total number of hours for which a particular load lasts during the day.
Answer  Explanation  Related Ques

ANSWER: Variation of demand from instant to instant during 24 hour.

Explanation:
No explanation is available for this question!


17)   What is a load factor?

a. The ratio of average to maximum demand.
b. The ratio of maximum demand to average load.
c. The product of maximum demand and average load.
d. The ratio of average load to the plant capacity.
Answer  Explanation  Related Ques

ANSWER: The ratio of average to maximum demand.

Explanation:
No explanation is available for this question!


18)   What is the load factor of a power plant?

a. Greater than unity
b. Less than unity
c. Always more than unity
d. Normally more than unity
Answer  Explanation  Related Ques

ANSWER: Less than unity

Explanation:
No explanation is available for this question!


19)   The load factor plays a key role in determining which among the following?

a. Plant capacity
b. Overall cost per unit generated
c. Overall demand
d. Both (a) and (c)
Answer  Explanation  Related Ques

ANSWER: Overall cost per unit generated

Explanation:
No explanation is available for this question!


20)   An industrial consumer has a load pattern of 2000 kW 0.8 lag for 12 hours and 1000 kW unity power factor for 12 hours. What is the load factor?

a. 0.5
b. 0.55
c. 0.6
d. 0.75
Answer  Explanation  Related Ques

ANSWER: 0.75

Explanation:
No explanation is available for this question!


21)   What is the plant capacity factor?

a. A ratio of kWh generated to the product of plant capacity and the number of hours for which the plant is in operation.
b. The ratio of sum of individual maximum demands to the maximum demand on power stations.
c. The ratio of actual energy produced to the maximum possible energy.
d. The ratio of maximum demand on the power station to the connected load.
Answer  Explanation  Related Ques

ANSWER: The ratio of actual energy produced to the maximum possible energy.

Explanation:
No explanation is available for this question!


22)   Capacity factor will be very low when the power plant _________________.

a. is operated as base load plant.
b. is operated for supplying base load as well as the peak loads.
c. is operated in emergency only.
d. is under maintainance.
Answer  Explanation  Related Ques

ANSWER: is operated in emergency only.

Explanation:
No explanation is available for this question!


23)   A thermal generating station has a installed capacity of 15 MW and supplies a daily load of 10 Mw for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for this station is _______.

a. 1
b. 0.75
c. 0.67
d. 0.5
Answer  Explanation  Related Ques

ANSWER: 0.5

Explanation:
No explanation is available for this question!


24)   In a power station, the cost of generation of power reduces most effectively when _______________.

a. Diversity factor alone increases.
b. Both diversity factor and load factor increases.
c. Only load factor increases.
d. Both diversity factor and load factor decreases.
Answer  Explanation  Related Ques

ANSWER: Both diversity factor and load factor increases.

Explanation:
No explanation is available for this question!


25)   What is the diversity factor?

a. A ratio of kWh generated to the product of plant capacity and the number of hours for which the plant is in operation.
b. The ratio of sum of individual maximum demands to the maximum demand on power stations.
c. The ratio of actual energy produced to the maximum possible energy.
d. The ratio of maximum demand on the power station to the connected load.
Answer  Explanation  Related Ques

ANSWER: The ratio of sum of individual maximum demands to the maximum demand on power stations.

Explanation:
No explanation is available for this question!


26)   What is operating value of diversity factor?

a. Greater than unity
b. Less than unity
c. Always more than unity
d. Normally more than unity
Answer  Explanation  Related Ques

ANSWER: Greater than unity

Explanation:
No explanation is available for this question!


27)   Diversity factor is helpful in computing which of the following factors?

a. Plant capacity
b. Average load
c. Units generated (kWh)
d. Peak demand
Answer  Explanation  Related Ques

ANSWER: Plant capacity

Explanation:
No explanation is available for this question!


28)   A large diversity factor of the load in a power system

a. Reduces the installation cost.
b. Increases the installation cost.
c. Does not affect the installation cost.
d. None of the above
Answer  Explanation  Related Ques

ANSWER: Reduces the installation cost.

Explanation:
No explanation is available for this question!


29)   What is the result of the product of diversity factor and maximum demand?

a. Average demand
b. Sum of consumers maximum demand
c. Installed capacity
d. Generated power
Answer  Explanation  Related Ques

ANSWER: Sum of consumers maximum demand

Explanation:
No explanation is available for this question!


30)   Maximum demand on the power system is

a. Sum of the maximum demands of all its consumers.
b. Greatest average load in a specified time.
c. Peak value of load in a specified time.
d. All of the above.
Answer  Explanation  Related Ques

ANSWER: Greatest average load in a specified time.

Explanation:
No explanation is available for this question!