Math - Day 3

1. Low-carbon steel are generally used in the as "rolled" or "as fabricated" state.What is the reason for this?

A. Their strength generally cannot be increased by heat treatment

B. Their chromium content is so low.

C. Their density is so high.

D. They come in many different shapes and thickness.

2. The dimension of “Acceleration x Mass’’ is the same as that of

A. Power

B. Length

C. Work

D. Weight

3. The decrease in value of property due to passage of time:

A. devaluation

B. depletion

C. salvage value

D. depreciation

4. An instrument for measuring specific gravity of fluids:

A. flowmeter

B. hygrometer

C. clinometer

D. hydrometer

5. The logarithm of 1 to any base is:

A. indeterminate

B. infinity

C. one

D. zero

6. An index of short term paying ability is called:

A. receivable turnover

B. profit margin ratio

C. current ratio

D. acid-test ratio

7. (u+pv) is a quantity called:

A. flow energy

B. shaft work

C. enthalpy

D. internal energy

8. What is the color of the steam plpe?

A. green

B. violet

C. silver gray

D. light blue

9. Cost of things that are neither labor nor material:

A. investment

B. construction cost

C. expenses

D. labor cost

10. What is the work-in-process classified as?

A. an asset

B. a liability

C. a revenue

D. an expense

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Power Plant - Day 5

1. Which does not belong to the group?

A. air injection system

B. mechanical injection system

C. time injection system

D. gas admission system

2. The instrument used to measured atmospheric pressure is:

A. rotameter

B. monometer

C. venturi

D. barometer

3. In a cooling tower, the water is cooled mainly by:

A. condensation

B. evaporation

C. convection

D. conduction

4. Air that controls the rate of combustion in the combustion chamber is known as:

A. secondary air

B. excess air

C. control air

D. primary air

5. What is the color code of air pipelines?

A. light blue

B. red

C. brown

D. violet

6. How many pounds of air are theoretically needed to burn one pound of diesel fuel oil?

A. 28

B. 14

C. 19

D. 22

7. How do you describe a non-flow process where in the volume remains constant?

A. isometric

B. isentropic

C. isobaric

D. isenthalpic

8. A major cause of air pollution resulting from the burning of fuel oils is:

A. nitrous

B. hydrogen

C. sulfur dioxide

D. silicon

9. For reciprocating compression slip at positive displacement.

A. cd = 1

B. cd > 1

C. cd < 1

D. cd = 0

10. For positive slip, the coefficient of discharge:

A. increases

B. decreases

C. zero

D. constant

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Power Plant - Day 4

1. Foundations are preferably built of concrete in the proportion of what measures of Portland cement: san: crushed stones?

A. 1:2:5

B. 2:4:6

C. 2:3:4

D. 1:2:4

2. The color of lubricating oil indicates:

A. does not indicated contamination

B. does not indicates qualities

C. qualities

D. viscosity

3. The components of a rotary pump:

A. gears

B. piston

C. impeller

D. screw

4. What is the term used in to express the ratio of specific humidities, actual versus saturated?

A. relative humidity

B. degree of saturation

C. absolute humidity

D. percent

5. In a diesel engine, what elements in the fuel that make to work of the lubricant more difficult?

A. water and ash content

B. high octane number

C. high cetane number

D. sulphur and asphaltene content

6. What is the color code of steam pipe lines?

A. silver gray

B. green

C. red

D. yellow

7. Which of the following refrigerants is most highly toxic?

A. ammonia

B. Freon 12

C. sulfur dioxide

D. methyl chloride

8. Assuming real process, the net entropy change in the universe is:

A. positive

B. must be calculated

C. equal to zero

D. negative

9. Enthalpy of an ideal gas is a function only of:

A. entropy

B. internal energy

C. temperature

D. pressure

10. Crankshaft of reciprocating type compressor is basically made of:

A. semi-steel

B. aluminum alloy

C. cast iron

D. steel forging


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Power Plant - Day 3

1. The energy of fluid flowing at any section in a pipeline is function of:

A. velocity of flow only

B. pressure only

C. height above a chosen datum, density, internal energy, pressure and velocity of flow

D. pressure, height above a chosen datum, velocity of flow, density of fluid

2. Number of molecules in a mole of any substance is a constant called:

A. Rankine cycle

B. Otto cycle

C. Avogadro’s number

D. Thompson constant

3. What is the force which tends to draw a body toward the center about which it is rotating?

A. centrifugal force

B. centrifugal in motion

C. centrifugal advance

D. centripetal force

4. What is an apparatus used in the analysis of combustible gases?

A. calorimeter differential

B. calorimeter gas

C. calorimeter

D. Calorimetry

5. The sum of the energies of all molecules in a system, energies appear in several complex forms, is the:

A. kinetic energy

B. potential energy

C. internal energy

D. thermal energy

6. The volume of a fluid passing a crosses-section stream in unit time is called:

A. steady flow

B. uniform flow

C. discharge

D. continuous flow

7. A device for measuring the velocity of wind:

A. aneroid barometer

B. anemometer

C. anemoscope

D. anemograph

8. Which is used as a moderator in certain types of nuclear reactors?

A. vapor

B. heavy water

C. hot water

D. cold water

9. What is the force required to accelerate a mass of 1 gram at a rate of 1 cm/sec/sec?

A. dyne

B. poundal

C. slug

D. kg force

10. Gas being heated at constant volume is undergoing the process of:

A. isotropic

B. adiabatic

C. isometric

D. isobaric


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Machine Design - Day 3

1. One of the following materials is not mentioned for wire rope pulley/sheave applications.
A. plastic
B. iron
C. paper
D. copper alloy


2. In greater quantity, this element is harmful to the molten ferrous metal.
A. silicon

B. aluminum

C. oxides

D. sulfur

3. Some experiments made at Cornell University showed that experience mechanic could break a _____ bolt due to nut tightening.

A. 3/8 inch

B. 5/8 inch

C. 1/2 inch

D. 7/16 inch

4. The arc of action to circular pitch or length of action to base pitch.

A. approach ratio

B. contact ratio

C. arc of action

D. arc of approach

5. The only accredited National Organization for Mechanical Engineers.

A. PME

B. NME

C. POME

D. PSME

6. Which of the following product of combustion that has a property of resilience?

A. rubber

B. grease

C. graphite power

D. graphite electrode

7. The brittleness in steel at elevated temperature is:

A. hard drawn

B. red shortness

C. cold lap

D. residual stresses

8. Common defects encountered in the foundry shop steel casting operating and also in welding practices.

A. cracks

B. cold shot

C. parting line

D. blow/pin holes

9. The minimum recommended worm pitch diameter is 1/4 in. and the maximum is _____ in.

A. 1 3/4 in

B. 2 3/4 in

C. 3 in

D. 2 in

10. To prevent engine vibration to affect the surrounding area, it is a standard practice to isolate the engine and its foundation by at least _______ mm.

A. 20

B. 30

C. 25

D. 36

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Machine Design -Day 2

1. Molybdenum-chromium-nickel steel designation:
A. SAE 48XX
B. SAE 43XX
C. SAE 56XX
D. SAE 46XX

2. The rigidity of polymer can be increased by:
A. normalizing
B. crystallization
C. furnace melting
D. shot peening

3. Stresses that are independent of loads is called:
A. working stress
B. simple stress

C. combined stress

D. residual stress

4. Chromium steel standard designation, SAE:

A. 92XX

B. 5XXX

C. 3XXX

D. 11XX

5. Ability to resist deformation under stress:

A. plasticity

B. stiffness

C. toughness

D. all of these

6. A lathe machine threading mechanism:

A. spindle gear

B. reverse gear and lever

C. change stud gear

D. all of these

7. The best instrument for measuring a thousand of an inch:

A. micrometer

B. tachometer

C. pyrometer

D. caliper

8. Normal stress relieving temperature for cast steel:

A. 200 to 350 degrees F

B. 400 to 500 degrees F

C. 300 to 400 degrees F

D. 450 to 550 degrees F

9. The three moment of equation may be used to analyze:

A. tapered column

B. composite beam

C. continuous beam

D. axially and loaded beam

10. The ability of a metal to be deformed considerably without rupture is called:

A. plasticity

B. ductility

C. malleability

D. all of these

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Power Plant - Day 2

1. Efficiency of Carnot cycle is a function of:
A. pressure

B. temperature difference

C. volume

D. entropy

2. In cooling, if humidity ratio remains unchanged:
A. pre-cooling

B. sensible cooling

C. latent cooling

D. sensible heating

3. The absolute zero in Celcius scale:
A. 100

B. 0

C. -273

D. 273

4. Both Stirling and Ericsson engines are:
A. Carnot engine

B. Brayton engine

C. External Combustion engine

D. Internal Combustion engine

5. What cycle create spark ignition?
A. Otto

B. Brayton

C. Carnot

D. diesel

6. Is the property of lubricant that will start burning:
A. pour point

B. solid point

C. fire point

D. flash point

7. One N-m is equal to one:
A. Btu

B. Calorie

C. Joule

D. kg-m

8. What does the area under the curve on a temperature entropy diagram indicates?
A. volume

B. entropy

C. work

D. heat

9. In radiation, the heat transfer depends on:
A. temperature

B. heat rays

C. heat flow cold to hot

D. humidity

10. The main cause of air pollution as a result of burning fuel oil is:
A. sulfur dioxide

B. hydrogen dioxide

C. silicon dioxide

D. nitrogen dioxide

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Math - Day 2

1. Minimum grade of Mechanical Engineer required to supervise operation of a 500 KW diesel engine.

A. IIEE

B. PME

C. RME

D. CPE

2. What is work in process classified as: 

A. a liability

B. a revenue

C. an expense

D. an asset

3. A rectangle whose sides are equal.

A. square

B. triangle

C. parallelogram

D. polygon

4. What is the gauge used to measure 0.001 to 1 atm pressure?

A. psychrometer

B. mercury manometer

C. barometer

D. hygrometer

5. The top most ring in a piston is:

A. compression ring

B. cooling ring

C. oil ring

D. none of these

6. What kind of properties in Real Numbers is a + (a+b) = (a+b) + c

A. commutative

B. derivative

C. associative

D. distributive

7. A tax on imports:

A. export tax

B. export tariff

C. import tax

D. import tariff

8. An oblique equillateral parallelogram:

A. square

B. rhombus

C. rectangle

D. trapezoid

9. A cash flow that repeats each year for n years without change in amount, its symbol is A and its factor is (F/A)

A. EAC

B. sinking fund

C. annuity

D. annual amount

10. To be qualified to become a member of the Board of Mechanical Engineering, the minimum age is:

A. 45

B. 35

C. 40

D. 32

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