In the prismatic compass

A the magnetic needle moves with the box
B the line of the sight does not move with the box
C the magnetic needle and graduated circle do not move with the box
D the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

Correct Answer: the magnetic needle and graduated circle do not move with the box

Bissoy MCQ
#Civil Engineering #Surveying

Related Questions

The prismatic compass and surveyor’s compass
A give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
B both give QB of a line and WCB of a line
C both give QB of a line
D both give WCB of a line
The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.
A Equal to
B Half
C One-third
D Two-third
The carryover factor in a prismatic member whose far end is fixed is
A 0
B $$\frac{1}{2}$$
C $$\frac{3}{4}$$
D 1
The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be
A 1 : 2
B 1 : 3
C 1 : 4
D 1 : 2.5
In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are
A Equal
B Proportional to their respective moduli of elasticity
C Inversely proportional to their moduli of elasticity
D Average of the sum of moduli of elasticity
Odometer is to mileage as compass is to-
A Speed
B Hiking
C Needle
D Direction
Find out the relationship : Odometer is to mileage as compass is to ---
A speed
B hiking
C needle
D direction
In which direction does a magnetic compass needle always point?
A North
B South
C East
D west
Where should a boat compass be mounted?
A near magnet
B near iron
C away from electrical wiring
D All the above
Local attraction in compass surveying may exist due to
A incorrect levelling of the magnetic needle
B loss of magnetism of the needle
C friction of the needle at the pivot
D presence of magnetic substances near the instrument

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