TASCO - Advanced Training for Oil Tanker Cargo Operations Exit Exam Questions - Set 7

Question 1

State if the following is True or False? After fixing the snap on hydraulic couplings of portable Framo, secure it with locking ring—only then the arrangement is safe.

Accepted Answer

B: True

Answer

A: False **Correct answer : True**

Question 2

Select the correct statement regarding pressure.

Accepted Answer

B: Dynamic pressure is a function of the fluid velocity and its density.

Answer

A: The water reservoir of a self-priming pump may be at the back of the impeller.

Answer

C: Pressure type vacuum valves can prevent Backflow.

Answer

D: Stripping pumps are not of the self-priming type. **Correct answer : Dynamic pressure is a function of the fluid velocity and its density.**

Question 3

How portable pumps are used?

Accepted Answer

B: When main pump is not working, the portable pump is used to transfer the cargo from this tank to another empty tank, where the main pump is working **Correct answer : When main pump is not working, the portable pump is used to transfer the cargo from this tank to another empty tank, where the main pump is working**

Answer

A: Potable pumps are used in parallel with the main Framo pump to discharge the tank in a short time

Answer

C: When main pump is not working, portable pumps are used to discharge the liquid cargo to the terminal

Answer

D: Potable pumps are used in series with the main Framo pump to discharge the tank with large pressure.

Question 4

What does "II" indicate in the pump diagram?

Accepted Answer

C: Eye (Suction)

Answer

A: Impeller

Answer

B: Diffuser **Correct answer : Eye (Suction)**

Answer

D: Shaft

Question 5

Which number represents the Hydraulic Motor in the pump cross-section illustration?

Accepted Answer

B: I

Answer

A: III

Answer

C: IV **Correct answer : I**

Answer

D: II

Question 6

The part "IX" in the centrifugal pump diagram indicates

Accepted Answer

A: Packing

Answer

B: Stuffing Box

Answer

C: Casing **Correct answer : Packing**

Answer

D: Shaft Sleeve

Question 7

Why a two way valve is provided in the air or inert gas line provided to check the leakage of oil in the cofferdam?

Accepted Answer

B: One is for the normally closed position, the other is for checking the leakage of cargo oil in the pump side and the third one is for checking the leakage of hydraulic oil in the motor side **Correct answer : One is for the normally closed position, the other is for checking the leakage of cargo oil in the pump side and the third one is for checking the leakage of hydraulic oil in the motor side**

Answer

A: One is for the normally closed position and the other is for checking the leakage of cargo oil in the pump side

Answer

C: One is for the normally closed position and the other is for checking the leakage of hydraulic oil in the motor side

Question 8

From the pump illustration, identify the part marked - "IV".

Accepted Answer

C: Volute Casing

Answer

A: Impeller

Answer

B: Anti-rotation Brake **Correct answer : Volute Casing**

Answer

D: Hydraulic Motor

Question 9

How vacuum drain is done in Framo pumps?

Accepted Answer

D: Pump has a different vacuum line which is connected to the cargo tank well; vacuum pump is used to suck the oil out to make the well dry

Answer

A: vacuum drain is part of the pump casing **Correct answer : Pump has a different vacuum line which is connected to the cargo tank well; vacuum pump is used to suck the oil out to make the well dry**

Answer

B: Vacuum is created in the stripping line to pump the cargo out to make the well dry

Answer

C: Vacuum drain is used to check leakage in pump's cofferdam

Question 10

The number "10" in the Tanker cargo pump assembly indicates a __________.

Accepted Answer

B: Stripping Valve

Answer

A: Resilient Mounting **Correct answer : Stripping Valve**

Answer

C: Top Plate

Question 11

Why the cargo pump in the Framo cannot be overloaded?

Accepted Answer

A: The pressure of hydraulic oil to the motor driving the cargo pump is designed in such a way that, the pump runs at the optimum speed

Answer

B: The pressure of hydraulic oil to the motor driving the cargo pump is designed in such a way that, the pressure can run the pump at 75% of the capacity **Correct answer : The pressure of hydraulic oil to the motor driving the cargo pump is designed in such a way that, the pump runs at the optimum speed**

Answer

C: The pressure of hydraulic oil to the motor driving the cargo pump is designed in such a way that, when the pump over speeds, the flow of oil is reduced

Answer

D: The pressure of hydraulic oil to the motor driving the cargo pump is designed in such a way that, the flow is always kept constant

Question 12

What does figure "V" represent in the centrifugal discharge diagram?

Accepted Answer

C: Discharge nozzle

Answer

A: None of the above **Correct answer : Discharge nozzle**

Answer

B: Vane

Answer

D: Eye of impeller

Question 13

Normally how much hydraulic oil is required to run the Framo portable pump?

Accepted Answer

A: 140 litres per min

Answer

B: 360 litres per min

Answer

C: 90 litres per min **Correct answer : 140 litres per min**

Answer

D: 250 litres per min

Question 14

Select the correct statement regarding operation of the portable pumps?

Accepted Answer

A: Ensure that only the lower half of the pump is submerged and is lowered as the cargo level falls. **Correct answer : Ensure that only the lower half of the pump is submerged and is lowered as the cargo level falls.**

Answer

B: Make sure that the portable pump is completely submerged and lowered till the bottom of the tank and then start the pumping operation

Answer

C: Before using portable pump, rig the pump on the deck and while pumping, lower the hose in the tank

Answer

D: When the liquid cargo level goes down, lower the hose accordingly, keeping the rigged pump on the deck

Question 15

What is the pressure of the hydraulic oil in the return side after running the hydraulic motor?

Accepted Answer

D: Around 3 Bar

Answer

A: Above 15 bar **Correct answer : Around 3 Bar**

Answer

B: Around 15 bar

Answer

C: Around 10 bar

Question 16

What does "V" indicate in the pump illustration?

Accepted Answer

A: Cofferdam Purging

Answer

B: Cofferdam Check Pipe **Correct answer : Cofferdam Purging**

Answer

C: Local Control Valve

Answer

D: Speed Torque Control Valve

Question 17

What does figure "VII" represent in the pump assembly?

Accepted Answer

A: Mechanical Oil Seal **Correct answer : Mechanical Oil Seal**

Answer

B: Sleeve

Answer

C: Wear rings

Answer

D: Hydraulic Motor

Question 18

Normally what is the discharge capacity of Framo portable pumps?

Accepted Answer

C: 70 cubic meter per hour

Answer

A: 150 cubic meter per hour

Answer

B: 200 cubic meter per hour **Correct answer : 70 cubic meter per hour**

Answer

D: 100 cubic meter per hour

Question 19

What is the function of the item marked "II" in the pump diagram?

Accepted Answer

B: Anti-rotation Brake

Answer

A: Impeller

Answer

C: Hydraulic Motor

Answer

D: Suction Well **Correct answer : Anti-rotation Brake**

Question 20

In a centrifugal pump:

Accepted Answer

A: The fluid moves in the same direction as the impeller.

Answer

B: The discharge side has a negative pressure.

Answer

C: The fluid moves in a direction opposite to the impeller.

Answer

D: The width of the discharge pipeline decreases outwards. **Correct answer : The fluid moves in the same direction as the impeller.**

Question 21

What does "V" indicate in the below illustration?

Accepted Answer

B: Suction Well

Answer

A: Bearings

Answer

C: Mechanical Oil Seal

Answer

D: Sleeve **Correct answer : Suction Well**

Question 22

What does "VIII" indicate in the centrifugal pump diagram?

Accepted Answer

C: Eye of Impeller

Answer

A: None of the above **Correct answer : Eye of Impeller**

Answer

B: Impeller

Answer

D: Discharge Nozzle

Question 23

How purging and seal monitoring is done?

Accepted Answer

C: Air or inert gas pipe connected to the line, the two way valve is moved to hydraulic oil side and air or inert gas is opened and if there is any leak, it is purged out and the quantity is measured, then the two way valve is moved to the cargo oil side and the air or inert gas is opened and if there is any leak, it is purged out and the quantity is measured

Answer

A: Air or inert gas pipe connected to the line, the two way valve is moved to cargo oil side and air or inert gas is opened and if there is any leak, it is purged out and the quantity is measured. **Correct answer : Air or inert gas pipe connected to the line, the two way valve is moved to hydraulic oil side and air or inert gas is opened and if there is any leak, it is purged out and the quantity is measured, then the two way valve is moved to the cargo oil side and the air or inert gas is opened and if there is any leak, it is purged out and the quantity is measured**

Answer

B: Air or inert gas pipe connected to the line, the two way valve which remains closed is moved to hydraulic oil side and air or inert gas is opened and if there is any leak, it is purged out and the quantity is measured.

Question 24

Bernoulli's principle states that:

Accepted Answer

D: pressure (P) x velocity (V) is a constant

Answer

A: pressure (P) x height (H) is a constant

Answer

B: height (H) x velocity (V) is a constant

Answer

C: pressure (P) x density (D) is a constant **Correct answer : pressure (P) x velocity (V) is a constant**

Question 25

From the below illustration, identify the name of the marking "14".

Accepted Answer

C: Cargo Pipe

Answer

A: Deck Trunk

Answer

B: Hydraulic Pressure Pipe **Correct answer : Cargo Pipe**

Answer

D: Resilient Mounting

Question 26

From the below illustration, identify the name of the marking "V".

Accepted Answer

A: Diffuser

Answer

B: Eye (Suction)

Answer

C: Impeller **Correct answer : Diffuser**

Answer

D: Shaft

Question 27

How the speed of the portable pump can be varied?

Accepted Answer

A: The portable pump is always rigged with its own flow control valve which is used for speed variation **Correct answer : The portable pump is always rigged with its own flow control valve which is used for speed variation**

Answer

B: By varying the speed of the feed pump

Answer

C: Portable pump speed cannot be varied

Answer

D: Using the flow control valve of the main cargo pump

Question 28

What kind of pumps can move extremely thick fluids like sludge without clogging?

Accepted Answer

A: Screw pumps **Correct answer : Screw pumps**

Answer

B: Deep well pumps

Answer

C: Reciprocating pumps

Answer

D: Rotary vane pumps

Question 29

What is the pressure of the hydraulic oil in the inlet side for running the hydraulic motor?

Accepted Answer

C: Around 170 bar

Answer

A: Around 25 bar **Correct answer : Around 170 bar**

Answer

B: Around 50 Bar

Answer

D: Around 100 bar

Question 30

The reciprocating pump creates a suction effect when there is a

Accepted Answer

A: decrease in pressure

Answer

B: no change in pressure

Answer

C: increase in pressure

Answer

D: decrease or an increase in pressure **Correct answer : decrease in pressure**

Advanced Training for Oil Tanker Cargo Operations (TASCO) (Set 7)

State if the following is True or False? After fixing the snap on hydraulic couplings of portable Framo, secure it with locking ring—only then the arrangement is safe.

Questions in TASCO Set 7

Question Discussion & Notes

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