These types of pipes are generally connected with bell and spigot joints or flanged joints:

A bell rings every 15 minute. If the bell rang at 12.40, which of the following could be a time at which the bell had sounded?

A

5:30

B

6:45

C

7:15

D

8:10

A tank is fitted with 8 pipes, some of them that fill the tank and others that are waste pipe meant to those that empty the tank can empty it in 6 hours. If all the pipes are kept open when the tank is full, it will take exactly 6 hours for the tank to empty. How many of these are these are fill pipes?

A

2

B

4

C

6

D

5

A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)

A

Less than 20d

B

Greater than 30d

C

Between 20d and 30d

D

Equal to inside diameter of pipe

The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

A

Absorb the vibrations transferred from the surface of the road

B

Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.

C

Absorb any difference in speed between the left and right wheels when the vehicle is turning

D

None of the above

Lead is poured into the joint between two pipes. These pipes may be made of

A

Cast iron

B

Vitrified clay

C

Asbestos cement

D

Concrete

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

A

$$\frac{5}{{11}}$$

B

$$\frac{6}{{11}}$$

C

$$\frac{7}{{11}}$$

D

$$\frac{8}{{11}}$$

Two pipes A and B can fill a tank in 20 and 30 minutes respectively . If both the pipes are used together , then how long will it take to fill the tank ?

A

12 min

B

15 min

C

25 min

D

50 min

Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opended together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?

A

10 min 20 sec

B

11 min 45 sec

C

12 min 30 sec

D

14 min 40 sec

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is ----

A

60 gallons

B

120 gallons

C

150 gallons

D

170 gallons

Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

A

2811 hours

B

3917hours

C

412 hours

D

11317hours

These types of pipes are generally connected with bell and spigot joints or flanged joints:

Related Questions