For canals carrying smaller water depths, a ramp is provided for the entry and exit as cattle crossings.

In a scissors cross-over, the crossings provided are
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is

A

(i) and (iii)

B

(i) and (iv)

C

(ii) and (iii)

D

(ii) and (iv)

Which of the following is the incorrect statement? i. Cattle crossings also provide safety to cattle that are swept away by currents besides their usual function of helping the cattle to cross the canal. ii. A canal escape helps in supplying irrigation water to the downstream watercourses. iii. Bed bars are constructed in canals at the toe of the canal lining to prevent slippage of the lining.

A

ii and iii

B

ii only

C

i only

D

i, ii, and iii

Choose the incorrect statement. i. Bed bars are constructed in canals at the toe of the canal lining to prevent slippage of the lining. ii. Cattle crossings also provide safety to cattle that are swept away by currents besides their usual function of helping the cattle to cross the canal. iii. A canal escape helps in supplying irrigation water to the downstream watercourses.

A

i and ii

B

i only

C

ii only

D

i, ii and iii

The coefficient of static friction between a box and a ramp is 0.5. The ramp's incline angle is 30°. If the box is placed at rest on the ramp, the box will do which of the following?

A

Accelerate down the ramp

B

Accelerate briefly down the ramp but then slow down and stop

C

Move with constant velocity down the ramp

D

Not move

A rocket has a throat area of 10 mm2 and nozzle exit area of 25 mm2. If the mass flow rate of its propellants is 2 kg/s, exit velocity is 30 m/s, and if exit pressure is twice the standard atmospheric pressure at sea level, what will be the total thrust?

A

60 N

B

62.53 N

C

61.26 N

D

65.06 N

By using canal regulation works we can control discharges, depths, and velocities in the canals.

A

False

B

True

The following map is showing the location of lift canals of IGNP in Rajasthan as (i), (ii)m (iii) and (iv). Identify and answer the correct sequences as given below the map:

A

Jai Narayan Vyas Lift canal, Kanwarsen lift canal, Dr. Kami Singh lift canal, Chaudhary Kumbharam lift canal.

B

Dr. Karni Singh lift canal, Chaudhary Khumbharam lift Canal, Jai Narayan Vyaslift Canal, Kanwarsen lift canal.

C

Dr. Karni Singh lift canal, Jai Narayan Vyas lift canal, Chaudhar Kumbharam lift canal, Kanwarsen lift canal.

D

Jai Narayan Vyas lift canal, Dr. Kami Singh lift Canal, Kanwarsen lift canal, Chaudhary Kumbharam lift Canal.

The lubricating oil for a large industrial gas turbine engine is cooled in a counter flow, concentric tube heat exchanger. The cooling water flows through the inner tube ( diameter = 25 mm) with inlet temperature 25 degree celsius and mass flow rate 0.2 kg/s. The oil flows through the annulus (diameter = 50 mm) with mass flow rate 0.125 kg/s and its temperature at entry and exit are 90 degree Celsius and 60 degree Celsius. Find outlet temperature of cooling water

A

14.58 degree celsius

B

24.58 degree celsius

C

34.58 degree celsius

D

44.58 degree celsius

In cattle crossings, the exact distance to be kept between the two ramps on the same side should theoretically be ________

A

2 BV/U

B

2 BVU

C

2 BU

D

2 BU/ V

When a user confirms that he wishes to delete an entry, that entry’s URL is passed to a function which removes the entry from the __________

A

index.php

B

function.inc.php

C

database

D

admin.php