MCQ
1481. The axis of telescope level must be - to the line of collimation.
parallel
perpendicular
1482. An axis about which the telescope can be rotated in a horizontal plane, is called-
horizontal axis
vertical axis
axis of the level tube
line of collimation
1483. The deflection angle may have any value between-
0° and 45°
0°and 90°
0° and 120°
0° and 180°
1484. The horizontal angle between the true meridian and magnetic meridian is known as-
true bearing
dip
local attraction
magnetic declination
1485. 'ইংরেজ' কোন ভাষার শব্দ? [শিক্ষক নিবন্ধন (প্রভাষক)/১৭]
পর্তুগিজ
ইতালীয়
ইংরেজি
জার্মান
1486. The traversing by the method of deflection angles is chiefly used in-
canals
highways
railways
all of these
1487. An angle made by a survey line with the prolongation of the proceeding line, is known as-
direct angle
vertical angle
horizontal angle
deflection angle
1488. দাপ্তরিক কোন শব্দটি ইংরেজি ভাষা থেকে আগত? (২৬৬ম বিসিএস / জনতা ব্যাংকের এসিস্ট্যান্ট এক্সিকিউটিভ অফিসার/১৯)
আইন
এজেন্ট
দাখিল
মুচলেকা
1489. The image formed by the objective in the plane of the cross hair is-
real and straight
real and inverted
virtual and straight
virtual and inverted
1490. 'আঁতাত' শব্দটি কোন ভাষা থেকে আগত? (বাংলাদেশ ডেভলপমেন্ট ব্যাংক লি. সিনিয়র অফিসার: ১১)
ইংরেজি
ফরাসি
ফারসি
স্প্যানিশ
1491. At the equator, the amount of dip is-
0°
45°
60°
90°
1492. The direct angles may have any value between-
0° and 90°
0° and 120°
0° and 180°
0° and 360°
1493. The capacity of a telescope producing a sharp image is called its-
definition
brightness
sensitivity
magnification
1494. A line joining the optical centre of the object glass & the centre of the eyepiece, is known as-
fundamental line
axis of telescope
axis of level tube
line of collimation
1495. The projection of a traverse line on a line parallel to the meridian is known as of the line.
latitude
departure
bearing
none of these
1496. An angle measured clockwise from the proceeding survey line to the following survey line is called-
direct angle
vertical angle
horizontal angle
deflection angle
1497. In the surveying telescopes, cross hairs are fitted in-
center of the telescope
optical center of the eye piece
front of the eye piece
front of the objective
1498. When the magnetic bearing of the sun at noon is 185°20′, the magnetic declination will be-
5°20′ east
5°20′ west
5°20′ north
5°20′ south
1499. The lines of earth's magnetic field run from-
south to north
north to south
east to west
west to east
1500. A surface which is normal to the direction of gravity at all points, as indicated by a plumb line, is known as-
datum surface
level surface
horizontal surface
vertical surface