Short-circuit kVA is obtained by multiplying the base kVA by

Short-circuit kVA is obtained by multiplying the base kVA by (1) 10% X (2) 20% X (3) 50% X (4) 100% X
by

1 Answer

Answer :

100%
by

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In short circuit calculations, the selected base kVA is equal to

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Last Answer : A

Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by (A) Degree of the curve (B) Square of the degree of the curve (C) Inverse of the degree of the curve (D) None of these

Description : Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by (A) Degree of the curve (B) Square of the degree of the curve (C) Inverse of the degree of the curve (D) None of these

Last Answer : (A) Degree of the curve

The length of a traverse leg may be obtained by multiplying the latitude and (A) Secant of its reduced bearing (B) Sine of its reduced bearing (C) Cosine of its reduced bearing (D) Tangent of its reduced bearing

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Last Answer : (A) Secant of its reduced bearing

Pick up the correct statement from the following: (A) The unit hydrograph of a specified unit duration obtained from the past data can be used to obtain the hydrograph of future storms of like duration (B) To obtain the ordinates of storm hydrograph, the ordinates of unit hydrograph are multiplied by the multiplying factor (C) The multiplying factor for storm hydrograph may be obtained by dividing the run off in mm by 25 mm (D) All the above

Description : Pick up the correct statement from the following: (A) The unit hydrograph of a specified unit duration obtained from the past data can be used to obtain the hydrograph of future storms of like duration (B) ... hydrograph may be obtained by dividing the run off in mm by 25 mm (D) All the above

Last Answer : Answer: Option D

The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to (A) 2 kg/tonne (B) 6 kg/tonne (C) 9 kg/tonne (D) 20 kg/tonne

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Description : Two port networks are connected in cascade. The parameters of the network are obtained by multiplying in individual

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The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?

Description : The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?

Last Answer : The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 6 kVAR.

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

Description : The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

Last Answer : The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW.

[75] Two transformers are connected in parallel. These transformers do not have equal percentage impedance which results A. Short-circuiting of the secondaries B. Power factor of one of the transformers is leading while that of the other lagging C. Transformers having higher copper losses will have negligible core losses D. Loading of the transformers not in proportion to their kVA ratings.

Description : [75] Two transformers are connected in parallel. These transformers do not have equal percentage impedance which results A. Short-circuiting of the secondaries B. Power factor of one of the ... have negligible core losses D. Loading of the transformers not in proportion to their kVA ratings.

Last Answer : D. Loading of the transformers not in proportion to their kVA ratings

The unit of apparent power in a purely inductive circuit is called the _____________. A. kva B. var C. emf D. watt

Description : The unit of apparent power in a purely inductive circuit is called the _____________. A. kva B. var C. emf D. watt

Last Answer : Answer: B

A 100 kVA, 415 V(line), star-connected synchronous machine generates rated open circuit voltage of 415 V

Description : A 100 kVA, 415 V(line), star-connected synchronous machine generates rated open circuit voltage of 415 V at a field current of 15 A. The short circuit armature current at a field current of 10 A is equal to the ... unit saturated synchronous reactance is  (A) 1.731 (B) 1.5 (C) 0.666 (D) 0.577

Last Answer : 0.6

Why are generators rated in kVA not in kW ?

Description : Why are generators rated in kVA not in kW ?

Last Answer : Because It's rating of generator kva is apparent power. Kw is active power which we use. And one is kvar reactive power.

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Description : KVA of an Auto-transformer of V1/V2 = 220/150 for a load of 100KVA is: a. 100KVA b. 50KVA c. 33.3KVA d. 20KVA 

Last Answer : KVA of an Auto-transformer of V1/V2 = 220/150 for a load of 100KVA is: a. 100KVA b. 50KVA c. 33.3KVA d. 20KVA 

What should be kVA rating of each transformer in V-V bank when three phase balanced load is

Description : What should be kVA rating of each transformer in V-V bank when three phase balanced load is 40 kVA ? (A) 19 (B) 28 (C) 37 (D) 23

Last Answer : What should be kVA rating of each transformer in V-V bank when three phase balanced load is 40 kVA ? (A) 19 (B) 28 (C) 37 (D) 23

A consumer finds that after running 10 kVA equipment on full load for six hours, his energy

Description : A consumer finds that after running 10 kVA equipment on full load for six hours, his energy consumption was 48 kWH. It can be concluded that (A) The load factor of consumer for the day was unity. (B ... (C) The equipment was drawing only reactive power. (D) The power factor of equipment was 0.8. 

Last Answer : A consumer finds that after running 10 kVA equipment on full load for six hours, his energy consumption was 48 kWH. It can be concluded that  The power factor of equipment was 0.8. 

The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be :

Description : The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be :  (A) 34.64 kVA (B) 75 kVA (C) 20 kVA (D) None of the above

Last Answer : The kVA rating of Three-phase transformer with Voltage = 200V and Current = 100A will be : 34.64 kVA

A 1100 kVA, 11 kV/1.1 kV conventional two-winding transformer is connected as a 12.1 kV/11 kV step-down ...

Description : A 1100 kVA, 11 kV/1.1 kV conventional two-winding transformer is connected as a 12.1 kV/11 kV step-down auto-transformer. The rating of the auto-transformer is (A) 1000 kVA (B) 1100 kVA (C) 11000 kVA (D) 12100 kVA

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The kVA rating required for a transformer that must handle a maximum load current of 8 A with a ...

Description : The kVA rating required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV will be: A. 4 kVA B. 0.25 kVA C. 16 kVA D. 8 kVA

Last Answer : The kVA rating required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV will be: 16 kVA

One 200 KVA transformer has an iron loss of 1 KW and full load Cu loss of 2 KW. Its load KVA corresponding...

Description : One 200 KVA transformer has an iron loss of 1 KW and full load Cu loss of 2 KW. Its load KVA corresponding to maximum efficiency is:  (A) 100 KVA (B) 141.4 KVA (C) 50 KVA (D) 200 KVA 

Last Answer : 100

A single phase transformer rated at 3000 kVA, 69 kV 4.16 kV, 60 Hz has a total internal impedance Zp of 127...

Description : A single phase transformer rated at 3000 kVA, 69 kV 4.16 kV, 60 Hz has a total internal impedance Zp of 127 ohm, referred to the primary side. Calculate the primary current if the secondary is accidentally short circuited.  (A) 43.5 A (B) 543 A (C) 9006 A (D) 721 A 

Last Answer : 543A

Two 550 kVA alternator operate in parallel to supply the following loads ...

Description : Two 550 kVA alternator operate in parallel to supply the following loads I. 250 KW at 0.95 p.f. lagging II. 100 KW at 0.85 p.f. leading One machine is supplying 200 KW at 0.9 p.f. lagging. The p.f. of other machine must be

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Description : Transformer generally rated in KVA

Last Answer : The power of transformer is apparent power because it has no power factor and it is the product of voltage and current.

A single-phase transformer has no-load loss of 64 W, as obtained from an open circuit test. When a short-circuit

Description : A single-phase transformer has no-load loss of 64 W, as obtained from an open circuit test. When a short-circuit test is performed on it with 90% of the rated currents flowing in its both LV and HV windings, ... .0% of the rated current (C) 80.0% of the rated current (D) 88.8% of the rated current

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Did you know this property of multiplying two numbers?

Description : Did you know this property of multiplying two numbers?

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Description : Why does multiplying two negative numbers result in a positive number?

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Evaluate 105 x 108 without multiplying directly. -Maths 9th

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Ron is calculating the area of the rectangle. He knows the length is 5 1/4 feet and the width is 3 1/2 feet. What is the area Solve by converting each mixed number to an improper number and multiplying. Simplify if necessary?

Description : Ron is calculating the area of the rectangle. He knows the length is 5 1/4 feet and the width is 3 1/2 feet. What is the area Solve by converting each mixed number to an improper number and multiplying. Simplify if necessary?

Last Answer : 5 1/4 = 21/43 1/2 = 7/221/4 * 7/2 = 147/8Now simplify the answer:147/8 = 18 and 3/8Final answer:18 and 3/8 square feet

What is the multiplying factor of shunt ?

Description : What is the multiplying factor of shunt ?

Last Answer : Answer : The ratio of load or matte current to ammeter current is called shunt multiplying power.

When 56 is added to a number the answer is the as multiplying the number by 9. What is the number?

Description : When 56 is added to a number the answer is the as multiplying the number by 9. What is the number?

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When 36 is added to a number the answer is the same as multiplying the number by 7. What is the number?

Description : When 36 is added to a number the answer is the same as multiplying the number by 7. What is the number?

Last Answer : 6

Do multiplying the coordinates of a shape affect the shape?

Description : Do multiplying the coordinates of a shape affect the shape?

Last Answer : Yes, the result is an enlargement or shrinking, with the originas centre of enlargement.

If she says that you can find the LCM of any two whole numbers by multiplying them together provide a counter example to show that Sarah statement is incorrect?

Description : If she says that you can find the LCM of any two whole numbers by multiplying them together provide a counter example to show that Sarah statement is incorrect?

Last Answer : The LCM of 2 and 4 is not 8.

How Sarah says that you can find the LCM of any two whole numbers by multiplying them together provide a counter example to show that Sarah statement is incorrect?

Description : How Sarah says that you can find the LCM of any two whole numbers by multiplying them together provide a counter example to show that Sarah statement is incorrect?

Last Answer : LCM (2, 4) = 4 which is not 2*4.

When multiplying a decimal by a whole number is the number of decimal places in the product the same as the number of decimal places in the decimal factor?

Description : When multiplying a decimal by a whole number is the number of decimal places in the product the same as the number of decimal places in the decimal factor?

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What property says that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the product?

Description : What property says that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the product?

Last Answer : Distributive property

What property says that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the product?

Description : What property says that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the product?

Last Answer : Distributive property

Why does multiplying a number by 3 12 increase its value?

Description : Why does multiplying a number by 3 12 increase its value?

Last Answer : Multiplying a number by 3 1/2 does not necessarily increase its value so the question is based on nonsense.

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Description : Do they have multiplying fraction worksheets?

Last Answer : There are many sites available that offer worksheets for practice in multiplying fractions. Here is the address of one of them: www.math-aids.com/Fractions/Multiplying_Fractions.htm.

What is the result of multiplying numbers called?

Description : What is the result of multiplying numbers called?

Last Answer : The result of multiplying numbers is called the product.

)The total amount of risk that is calculated for a project is found by 1. Multiplying the sum of each the risk times the amount at stake2. Calculating the cumulative sum of the probability for each risk and multiplying this value times the consequence of occurrence of the risk events 3. Cannot be calculated since all risks are not know 4. The amount of project reserves available

Description : )The total amount of risk that is calculated for a project is found by 1. Multiplying the sum of each the risk times the amount at stake 2. Calculating the cumulative sum of the probability for ... 3. Cannot be calculated since all risks are not know  4. The amount of project reserves available

Last Answer : 2. Calculating the cumulative sum of the probability for each risk and multiplying this value times the consequence of occurrence of the risk events

What is multiplying DAC?

Description : What is multiplying DAC?

Last Answer : a. digital to analog converter which uses a varying reference voltage VR is called a multiplying DAC(MDAC). If the reference voltage of a DAC, VR is a sine wave given by V(t)=Vin Cos 2_ft  Then, Vo(t)=VomCos(2_ft + 180º)

An scan be easily converted to its decimal equivalent by multiplying each octal digit by positional weight: a. Binary number b. Octal number c. Hexadecimal number d. Decimal number

Description : An scan be easily converted to its decimal equivalent by multiplying each octal digit by positional weight: a. Binary number b. Octal number c. Hexadecimal number d. Decimal number

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Poise is converted into stoke by (A) Multiplying with density (gm/c.c) (B) Dividing by density (gm/c.c) (C) Multiplying with specific gravity (D) Dividing by specific gravity

Description : Poise is converted into stoke by (A) Multiplying with density (gm/c.c) (B) Dividing by density (gm/c.c) (C) Multiplying with specific gravity (D) Dividing by specific gravity

Last Answer : (B) Dividing by density (gm/c.c)

Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal multiplication of cells from a low rate to a high rate. c. reverses the ability of viruses to associate with cells. d. reverses the action of drugs on viruses and allows them to continue multiplying in living cells.

Description : Retroviruses are so-named because their reverse transcriptase _____. a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA. b. reverses the normal ... the action of drugs on viruses and allows them to continue multiplying in living cells.

Last Answer : a. reverses the flow of genetic information by stimulating information to proceed from RNA to DNA.

One of the tacheometric constants is additive, the other constant, is (A) Subtractive constant (B) Multiplying constant (C) Dividing constant (D) Indicative constant

Description : One of the tacheometric constants is additive, the other constant, is  (A) Subtractive constant  (B) Multiplying constant  (C) Dividing constant  (D) Indicative constant 

Last Answer : (B) Multiplying constant 

a tacheometer is fitted with an anal-latic lens (A) Additive constant is 100, multiplying constant is zero (B) Multiplying constant is 100, additive constant is zero (C) Both multiplying and additive constants are 100 (D) Both multiplying and additive constants are 50

Description : a tacheometer is fitted with an anal-latic lens (A) Additive constant is 100, multiplying constant is zero (B) Multiplying constant is 100, additive constant is zero (C) Both multiplying and additive constants are 100 (D) Both multiplying and additive constants are 50

Last Answer : (B) Multiplying constant is 100, additive constant is zero

For a tachometer the additive and multiplying constants are respectively (A) 0 and 100 (B) 100 and 0 (C) 0 and 0 (D) 100 and 100

Description : For a tachometer the additive and multiplying constants are respectively (A) 0 and 100 (B) 100 and 0 (C) 0 and 0 (D) 100 and 100

Last Answer : (A) 0 and 100

If is the stadia distance, is the focal length and is the distance between the objective and vertical axis of the techeometer, the multiplying constant, is (A) f/i (B) i/f (C) (f + d) (D) f/d

Description : If is the stadia distance, is the focal length and is the distance between the objective and vertical axis of the techeometer, the multiplying constant, is (A) f/i (B) i/f (C) (f + d) (D) f/d

Last Answer : (A) f/i