Which of the following spillways is least suitable for an earthen dam ?

Which of the following statement(s) is/are true for the Sardar Sarovar Project (SSP)? (i) Sardar Sarovar Dam is the third highest concrete dam in India (ii) Sardar Sarovar Dam is an earthen gravity dam across river Narmada (iii) SSP comprises 30 Major Dams, 135 Medium Dams and about 3,000 Minor Dams along the 1,312 km length of the Narmada river.

A

Only (i)

B

(i) and (ii)

C

(i) and (iii)

D

(i) (ii) and (iii)

Which of the following spillways is least suited for earthen dams?

A

Ogee

B

side channel

C

Chute

D

shaft

Availability of drinking water is continuously decreasing. The government decided to identify those sources of drinking water which getting polluted. The following table depicts the number of polluted sources in a district. Source of drinking water getting polluted Number Wells 24 Handpump 12 Dam 12 Borewell 6 Ponds 18 The pictograph table for the above table will be (A) Source of drinking water getting polluted Number symbol = 6 source Wells Handpump Dam Borewell Ponds (B) Source of drinking water getting polluted Number symbol = 6 source Wells Handpump Dam Borewell Ponds (C) Source of drinking water getting polluted Number symbol = 6 source Wells Handpump Dam Borewell Ponds (D) Source of drinking water getting polluted Number symbol = 6 source Wells Handpump Dam Borewell Ponds

A

B

C

D

C

Consider the following statements in respect of dams: 1. In a gravity dam, a grout curtain is provided near the toe to reduce the exit gradient. 2. A drainage gallery with its drainage pipe system provided in a gravity dam reduces the uplift pressure at all levels below the upstream water level. 3. An earthquake acceleration of 0.1 g acting vertically downward causes a decrease of 10% in the limit weight of concrete and of water in a gravity dam. 4. The Tehri dam is a gravity dam. Which of the above statements are correct?

A

1 and 3 only

B

1 and 4 only

C

2 and 3 only

D

2 and 4 only

Which of the following is not correctly matched? Dam River (1) Gandhi Sagar Dam Chambal (2) Nagarjuna Sagar Dam Krishna (3) Tehri Dam Kaveri (4) Rihand Dam Rihand

A

Only 1

B

Only 2

C

Only 3

D

Only 4

Which of the following statements are true with regard to energy dissipation below a dam? (i) If the upper conjugate depth of a hydraulic jump is below the tailwater, little energy will be dissipated (ii) An upturned bucket will protect the dam from scour by moving material toward the dam. (iii) A secondary dam may increase tailwater height, thereby causing a hydraulic jump to form at the toe of the main dam. (v) A slopping apron above streambed level may be used to control the hydraulic jump so that it occurs on the apron.

A

(I), (II) and (III) are correct

B

(I), (II), (III) and (IV) are correct

C

(I), (II) and (IV) are correct

D

(II) and (III) are correct

A concrete gravity dam having a maximum reservoir level at 200 m and the RL of the bottom of the dam 100 m. The maximum allowable compressive stress in concrete is 3000 KN/m2 and the specific gravity of concrete is 2.4. Calculate the height of the dam and check whether it is a high dam or low dam.

A

H = 90 m High gravity dam

B

H = 90 m Low gravity dam

C

H = 214.2 m High gravity dam

D

H = 214.2 m Low gravity dam

The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels. The coefficient of permeability of dam material is 0.03 mm/sec. The discharge per meter length of dam is

A

0.00018 m³/sec

B

0.0045 m³/sec

C

0.18 m³/sec

D

0.1125 m³/sec

Following are the conditions to select a manager for accounts in a company: 1, The candidate must be at least 30 years and not more than 40 years as on 1st January 2019. 2. Be a commerce graduate with at least 55% aggregate marks 3. Have experience of at least 10 years of accounts experience out of which at least 3 years in a managerial position in an organization. 4, Have secured at least 60% in the recruitment process. At 2 above. but has secured at least 50% aggregate marks in graduation and has secured 80% in there cruitment process, he can be referred to VP-accounts. In each question below the candidate details are provided. Read the question and answer based on the information provided. Don’t assume anything. Ram is born on 1 August 1974 and has a 60% aggregate in graduation -he has 15 years" experience in an organization with 5 years as accounts manager.

A

If the candidate is to be selected for VP-accounts

B

If the candidate is to be selected for Manager-accounts

C

If the candidate is not to be selected

D

If the data provided is inadequate to take a decision

Which one of the following pairs is not correctly matched? (a) Sardar Sarovar Dam (i) Narmada River (b) Tilaiya Dam (ii) Konar River (c) Gandhi Sagar Dam (iii) Chambal River (d) Nagarjuna Sagar Dam (iv) Krishna River

A

a

B

b

C

c

D

d

Which of the following spillways is least suitable for an earthen dam ?

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