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SSC JE Estimation and costing :Quiz 70

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Question 1

A generating station operates at maximum demand of 100 MW, Load factor of 0.65, plant capacity factor is 0.5, plant use factor is 0.75, calculate the Rated Plant capacity –

Question 2

Which set of rules are to be verified on completion of wiring on any new installation?

Question 3

What type of earthing is used by transmission lines?

Question 4

What is the dimension of the copper strips used for the strip earthing?

Question 5

As per IE rules the permissible variation of voltage at the consumer end is:

Question 6

A generating plant has a maximum capacity of 100 kW and costs Rs. 1,60,000. The annual fixed charges are 12%. If the load factor is 50%, the fixed charges per kWh will be

Question 7

The following two tariffs are offered:
A- Rs. 100 plus 15 paise per unit
B- A flat rate of 30 paise per unit
At what consumption is first tariff economical?

Question 8

A supply is offered on the basis of fixed charges of Rs. 30 per annum plus 3 paise per unit or alternative at the rate of 6 paise per unit for the first 400 units per annum and 5 paise per unit for all the additional units. The number of units. The number of units taken per annum for which the cost under the two tariffs become equal is

Question 9

The tariff in force is Rs. 150 per kVA of maximum demand and 8 paise per unit consumed. If the load factor is 30%, the overall cost per unit at 0.7 p.f. lagging is

Question 10

A consumer has a maximum demand of 100 kW. The p.f. is 0.8 lagging and the load factor id 60%. The tariff used is Rs. 75 per kVA of maximum demand plus 15 paise per kWh consumed. The annual bill will be

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ESE & GATE EE Power Systems

Aug 21ESE & GATE EE