The chuck preferred for quick setting and accurate centering of a job is

The instrument used for accurate centering in plane table survey is

A

spirit level

B

alidade

C

plumbing fork

D

trough compass

Farid can complete a job in 12 hours, and Jibon can complete the same job in 8 hours. Farid starts the job at 9 a.m., and stops working at 3 p.m. If Jibon starts working at 4 p.m. to complete the remaining job, at what time is the job finished?

A

6 p.m.

B

8 p.m.

C

9 p.m.

D

10 p.m.

Farid can complete a job in 12 hours, and Jibon can complete the same job in 8 hours. Farid starts the job at 9 am and stops working at 3 pm. If Jibon starts working at 4 pm to complete the remaining job, at what time is the job finished?

A

6 p.m.

B

7 p.m.

C

8 p.m.

D

10 p.m.

Arman can complete a job in 12 hours and Rehan can complete the same job in 8 hours. Arman started the job at 10:30 a.m., and stopped working at 2:30 p.m. To complete the job, if Rehan starts working at 3 p.m., at what time can he finish the job?

A

9.30 p.m.

B

9 p.m.

C

8.30 p.m.

D

10 p.m

The chuck used for setting up of heavy and irregular shaped work should be

A

Four jaw independent chuck

B

Three jaw universal chuck

C

Magnetic chuck

D

Drill chuck

X and y agreed to do a particular job. X alone complted 1/3 rd of the Job and then asked y to complete the rest. Y did half to the rest job and then hired Z. Aftrwards these two (Y & Z ) equally shared the job. Which one of the following statements is true?

A

Z did more than X

B

y did as much as X and Z did individually

C

Y did as much as X and Z did together

D

None of these together

Asif can do a job in 15 hours, and Russel can do the same job in 9 hours. If they start doing the job together at 6 a.m. and Russel stops working at 9 a.m. at what time will Asif finish the job?

A

2p.m.

B

4p.m.

C

5p.m.

D

6 p.m.

Asif can do a job in 15 hours, and Russel can do the same job in 9 hours. If they start doing the job together at 6 a.m., and Russel stops working at 9 a.m., at what time will Asif finish the job?

A

2 p. m

B

4 p. m.

C

5 p. m.

D

6 p.m

Which of the following is the shortcut control key for centering text?

A

Ctrl+B

B

Ctrl+C

C

Ctrl+E

D

Ctrl+F

To avoid large centering error with very short legs, observations are generally made

A

To chain pins

B

By using optical system for centering the theodolite

C

To a target fixed on theodolite tripod on which theodolite may be fitted easily

D

All the above

The chuck preferred for quick setting and accurate centering of a job is

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