500 Best Surveying MCQ
Q9). The representative fraction 1/2500 means that the scale is
a).1 cm=0.25 m
b).1 cm=2.5 m
c).1 cm=25 m
d).1 cm=250 m
Correct Answer:
1 cm=25 m
Explanation:
Q10). A plain scale is used to read
a).one dimension
b).two dimension
c).three dimension
d).all of these
Correct Answer:
two dimension
Explanation:
Q11). A scale which has a common representative fraction but read in different measures, is called a
a).plain scale
b).diagonal scale
c).shrunk scale
d).comparative scale
Correct Answer:
comparative scale
Explanation:
Q12). If x is the smallest division on the main scale and n are the number of divisions on the vernier, then the least count of the vernier is
a).x + n
b).x – n
c).x X n
d).x / n
Correct Answer:
x / n
Explanation:
Q13). An average length of a pace is
a).60 cm
b).80 cm
c).100 cm
d).120 cm
Correct Answer:
80 cm
Explanation:
Q14). The method of measuring distance by pacing is chiefly used in
a).reconnaissance surveys
b).preliminary surveys
c).location surveys
d).all of these
Correct Answer:
reconnaissance surveys
Explanation:
Q15). The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called
a).passometer
b).pedometer
c).odometer
d).speedometer
Correct Answer:
odometer
Explanation:
Q16). The correction to be applied to each 30 m chain for a line measured along a slope of Θ is
a).30(1-sin Θ)
b).30(1-cos Θ)
c).30(1-tan Θ)
d).30(1-cot Θ)
Correct Answer:
30(1-cos Θ)
Explanation: