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The following table gives the sales of batteries manufactured by a company over the years.

Number of Different Types of Batteries Sold by a Company Over the Years (Numbers in Thousands)

Year Types of Batteries
4AH 7AH 32AH 35AH 55AH Total
199275144114102108543
19939012610284126528
19949611475105135525
1995105901509075510
199690751357590465
19971056016545120495
199811585160100145605

Q1: What is the difference in the number of 35AH batteries sold in 1993 and 1997?

A 24000

B 28000

C 39000

D 35000

The bar graph given below shows the foreign exchange reserves of a country (in million US $) from 1991 - 1992 to 1998 - 1999.

Foreign Exchange Reserves Of a Country. (in million US $)

Q2: What was the percentage increase in the foreign exchange reserves in 1997-98 over 1993-94?

A 150

B 100

C 620

D 200

Study the following line graph and answer the questions.

Exports from Three Companies Over the Years (in Rs. crore)

Q3: What was the difference between the average exports of the three Companies in 1993 and the average exports in 1998?

A Rs. 18.67 crores

B Rs. 20 crores

C Rs. 22.17 crores

D Rs. 15.33 crores

In the following the questions choose the word which best expresses the meaning of the given word.

Q4: COMMENSURATE

A Begining

B Appropriate

C Proportionate

D Measurable

Q5: Which of the following statement is correct as regard to centrifugal compressors?

A The impeller rotates at high speeds.

B The static pressure of air in the impeller increases in order to provide centripetal force on the air.

C The maximum efficiency is higher than multi-stage axial flow compressors.

D The flow of air is parallel to the axis of the compressor.

Q6: The ratio of the net work obtained from the gas turbine plant to the turbine work is known as

A compression ratio

B work ratio

C pressure ratio

D none of these

Q7: The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.

A reduced

B increased

Q8: In jet propulsion power unit, the inlet duct of diverging shape is used for converting kinetic energy of air into pressure energy.

A False

B True

Q9: The temperature of air at the beginning of the compression stroke is __________ the atmospheric temperature.

A less than

B more than

C equal to

Q10: The compressor efficiency is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.

A Incorrect

B Correct