5814 + Mcqs in Civil Engineering Page 58 McqOptions

2851.	The angular distance of a heavenly body from the equator, measured along its meridian, is called
A.	declination
B.	altitude
C.	zenith distance
D.	co-latitude.
Answer» B. altitude

Discussion

2852.	According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of
A.	tangents of two adjacent parts
B.	sines of two adjacent parts
C.	cosines of two adjacent parts
D.	cosines of two opposite parts
E.	both (a) and (b) above.
Answer» F.

Discussion

2853.	Limiting gradient for locating the base line on evenly-sloping ground, is
A.	1 in 12
B.	1 in 10
C.	1 in 8
D.	1 in 6.
Answer» B. 1 in 10

Discussion

2854.	Polaris is usually observed for the determination of the latitude when it is
A.	at culmination
B.	at elongation
C.	neither at culmination nor at elongation
D.	either at culmination or at elongation.
Answer» B. at elongation

Discussion

2855.	The negative sign is assigned to
A.	reduction to mean sea level
B.	correction for horizontal alignment
C.	correction for slope
D.	correction for slope
E.	all the above.
Answer» F.

Discussion

2856.	If two points differing by 1 of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about
A.	10 km
B.	25 km
C.	30 km
D.	50 km.
Answer» D. 50 km.

Discussion

2857.	The zenith is the point on the celestial sphere
A.	east of observer
B.	west of observer
C.	north of observer
D.	south of observer
E.	above the observer.
Answer» E. above the observer.

Discussion

2858.	Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year
A.	once
B.	twice
C.	thrice
D.	four times
E.	five times.
Answer» E. five times.

Discussion

2859.	To have greatest coverage of the area, the type of photography used, is
A.	high oblique
B.	low oblique
C.	vertical
D.	none of these.
Answer» B. low oblique

Discussion

2860.	The true and mean suns occupy the same meridian at the same time on
A.	April 15
B.	June 14
C.	September 1
D.	December 25
E.	all the above.
Answer» F.

Discussion

2861.	In field astronomy, the quantities observed are entirely
A.	lengths
B.	angles
C.	heights
D.	all of these.
Answer» C. heights

Discussion

2862.	The altitudes of a circumpolar star at culminations are 70 and 10 , both culminations being north of zenith. The latitude of the place, is
A.	80
B.	70
C.	60
D.	50
E.	40 .
Answer» F.

Discussion

2863.	The prime vertical passes through
A.	the east point of the horizon
B.	the west point of the horizon
C.	the zenith point of the observer
D.	the nadir point of horizon
E.	all the above.
Answer» F.

Discussion

2864.	For inspection and packing of ballast, each pot sleeper is provided with
A.	one hole
B.	two holes
C.	three holes
D.	four holes.
Answer» C. three holes

Discussion

2865.	Each block of a two-block concrete sleeper is
A.	722 mm x 295 mm x 271 mm and 215 kg in weight
B.	250 mm x 154 mm x 196 mm and 260 kg in weight
C.	525 mm x 350 mm x 275 mm and 280 kg in weight
D.	none of these.
Answer» B. 250 mm x 154 mm x 196 mm and 260 kg in weight

Discussion

2866.	For points and crossings, maximum size of ballast, is
A.	50 mm
B.	40 mm
C.	30 mm
D.	25 mm
E.	20 mm
Answer» E. 20 mm

Discussion

2867.	If S is the switch angle and is diamond angle, r is the radius of slip, the distance between middle point slip and the nose of obtuse crossing, is
A.	<img src="/_files/images/civil-engineering/railways/61-17-174-1.png">
B.	<img src="/_files/images/civil-engineering/railways/61-17-174-2.png">
C.	<img src="/_files/images/civil-engineering/railways/61-17-174-3.png">
D.	<img src="/_files/images/civil-engineering/railways/61-17-174-4.png">
Answer» B. <img src="/_files/images/civil-engineering/railways/61-17-174-2.png">

Discussion

2868.	The main function of sleepers, is
A.	to support rails
B.	to hold rails at correct gauge
C.	to distribute load from the rails to ballast
D.	all the above.
Answer» E.

Discussion

2869.	Rails are fixed on steel sleepers
A.	by bearing plates
B.	by dog spikes
C.	by keys in lugs or jaws
D.	none of these.
Answer» D. none of these.

Discussion

2870.	Packing of ballast is done
A.	near the ends of sleepers
B.	on the shoulders
C.	under sleepers
D.	between two rails.
Answer» D. between two rails.

Discussion

2871.	If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
A.	1 in
B.	<img src="/_files/images/civil-engineering/railways/59-17-146-2.png">
C.	1 in 12
D.	1 in 16
E.	none of these.
Answer» C. 1 in 12

Discussion

2872.	The principal plane contains
A.	nadir point
B.	iso centre
C.	principal point
D.	principal axis and principal line
E.	all the above..
Answer» F.

Discussion

2873.	Width of the top portion of a flat footed, rail, is
A.	69.85 mm
B.	63.50 mm
C.	66.77 mm
D.	136.52 mm
E.	none of these.
Answer» D. 136.52 mm

Discussion

2874.	For providing the required tilt of rails, adazing of wooden sleepers, is done for
A.	bull headed rails
B.	double headed rails
C.	flat footed rails
D.	any type of rails
E.	none of these.
Answer» D. any type of rails

Discussion

2875.	The life of a wooden sleeper depends upon
A.	quality of its timber
B.	ability to resist decay
C.	resistance to weathering
D.	all the above.
Answer» E.

Discussion

2876.	The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is
A.	1 in 6
B.	1 in
C.	<img src="/_files/images/civil-engineering/railways/59-17-146-2.png">
D.	1 in 12
E.	1 in 16
Answer» C. <img src="/_files/images/civil-engineering/railways/59-17-146-2.png">

Discussion

2877.	Segregation is responsible for
A.	honey-combed concrete
B.	porous layers in concrete
C.	surface scaling in concrete
D.	sand streaks in concrete
E.	all the above.
Answer» F.

Discussion

2878.	The datum temperature for maturity by Plowman, is
A.	23 C
B.	0
C.	- 5.6 C
D.	- 11.7 C
Answer» E.

Discussion

2879.	The compaction of concrete, improves
A.	density
B.	strength
C.	durability
D.	all the above.
Answer» E.

Discussion

2880.	The light weight aggregates are obtained from
A.	sedimentary rocks
B.	metamorphic rocks
C.	igneous rocks
D.	volcanic source.
Answer» E.

Discussion

2881.	If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is
A.	10%
B.	12%
C.	15%
D.	20%
E.	25%.
Answer» F.

Discussion

2882.	Specified compressive strengh of concrete is obtained from cube tests at the end of
A.	3 days
B.	7 days
C.	14 days
D.	21 days
E.	28 days.
Answer» F.

Discussion

2883.	An aggregate is said to be flaky, if its least dimension is less than
A.	2/3 mean dimension
B.	3/4 mean dimension
C.	3/5 mean dimension
D.	5/8 mean dimension
E.	none of these.
Answer» D. 5/8 mean dimension

Discussion

2884.	The final operation of finishing floors, is known as
A.	screeding
B.	floating
C.	trowelling
D.	finishing
E.	all the above.
Answer» D. finishing

Discussion

2885.	The internal dimensions of a ware house are 15 m x 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are
A.	1500 bags
B.	2000 bags
C.	2500 bags
D.	3000 bags
E.	4000 bags
Answer» E. 4000 bags

Discussion

2886.	Wing rails are provided
A.	near tongue rails
B.	near check rails
C.	near stock rails
D.	in crossing.
Answer» E.

Discussion

2887.	Burnettising is done for the preservation of
A.	wooden sleepers
B.	rails
C.	ballast
D.	none of these.
Answer» B. rails

Discussion

2888.	30 m long rails are used in
A.	India
B.	Pakistan
C.	Russia
D.	U.S.A.
E.	U.K.
Answer» E. U.K.

Discussion

2889.	Minimum gradient in station yards is generally limited to
A.	1 in 1000
B.	1 in 750
C.	1 in 500
D.	1 in 400
E.	zero
Answer» F.

Discussion

2890.	Proper batching ensures
A.	economy
B.	durability
C.	workability
D.	strength
E.	all the above.
Answer» F.

Discussion

2891.	The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is
A.	<img src="/_files/images/civil-engineering/railways/59-17-147-1.png">
B.	<img src="/_files/images/civil-engineering/railways/59-17-147-2.png">
C.	<img src="/_files/images/civil-engineering/railways/59-17-147-3.png">
D.	<img src="/_files/images/civil-engineering/railways/59-17-147-4.png">
Answer» B. <img src="/_files/images/civil-engineering/railways/59-17-147-2.png">

Discussion

2892.	A triangle used for turning the face of locomotives, consists of
A.	three turn outs
B.	one turn out and two splits
C.	two turn outs and one split
D.	three splits.
Answer» D. three splits.

Discussion

2893.	If D is the distance between the parallel sidings and is the angle of crossing, the distance between the noses of crossing measured parallel to the gathering line, is
A.	D tan
B.	D cot
C.	D sin
D.	D cos
Answer» C. D sin

Discussion

2894.	The place where a railway line and a road cross each other at the same level, is known as
A.	cross over
B.	railway junction
C.	road junction
D.	level crossing
E.	none of these.
Answer» E. none of these.

Discussion

2895.	Heel of crossing is the line joining
A.	ends of splice rail and point rail
B.	ends of lead rails butting the crossing
C.	ends of wing rails
D.	throat and actual nose of crossing.
Answer» B. ends of lead rails butting the crossing

Discussion

2896.	A mono-block sleeper has
A.	square section
B.	rectangular section
C.	trapezoidal section
D.	semi-circular section
E.	none of these.
Answer» D. semi-circular section

Discussion

2897.	If S is cant deficiency in centimetres and V is maximum permissible speed in km p.h,, the maximum length of transition curves, is
A.	<img src="/_files/images/civil-engineering/railways/57-17-116-1.png">
B.	<img src="/_files/images/civil-engineering/railways/57-17-116-2.png">
C.	<img src="/_files/images/civil-engineering/railways/57-17-116-3.png">
D.	<img src="/_files/images/civil-engineering/railways/57-17-116-4.png">
Answer» B. <img src="/_files/images/civil-engineering/railways/57-17-116-2.png">

Discussion

2898.	The overall length of a turn out is the distance between the end of stock rail and
A.	heel of crossing
B.	actual nose of crossing
C.	throat of crossing
D.	toe of crossing.
Answer» B. actual nose of crossing

Discussion

2899.	According to Railway Board, no diamond crossing should be flatter than
A.	1 in 6
B.	1 in
C.	<img src="/_files/images/civil-engineering/railways/59-17-146-2.png">
D.	1 in 12
E.	1 in 16
Answer» C. <img src="/_files/images/civil-engineering/railways/59-17-146-2.png">

Discussion

2900.	Coning of wheels is provided
A.	to check lateral movement of wheels
B.	to avoid damage to inner faces of rails
C.	to avoid discomfort to passengers
D.	All the above.
Answer» E.

Discussion

Explore topic-wise MCQs in Engineering.

The angular distance of a heavenly body from the equator, measured along its meridian, is called

According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of

Limiting gradient for locating the base line on evenly-sloping ground, is

Polaris is usually observed for the determination of the latitude when it is

The negative sign is assigned to

If two points differing by 1 of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about

The zenith is the point on the celestial sphere

Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year

To have greatest coverage of the area, the type of photography used, is

The true and mean suns occupy the same meridian at the same time on

In field astronomy, the quantities observed are entirely

The altitudes of a circumpolar star at culminations are 70 and 10 , both culminations being north of zenith. The latitude of the place, is

The prime vertical passes through

For inspection and packing of ballast, each pot sleeper is provided with

Each block of a two-block concrete sleeper is

For points and crossings, maximum size of ballast, is

If S is the switch angle and is diamond angle, r is the radius of slip, the distance between middle point slip and the nose of obtuse crossing, is

The main function of sleepers, is

Rails are fixed on steel sleepers

Packing of ballast is done

If the standard length of a B.G. crossing is 597 cm, the number of crossing, is

The principal plane contains

Width of the top portion of a flat footed, rail, is

For providing the required tilt of rails, adazing of wooden sleepers, is done for

The life of a wooden sleeper depends upon

The spread between the point and splice rails at a distance of 4.25 rn is 50 cm. The size of the crossing is

Segregation is responsible for

The datum temperature for maturity by Plowman, is

The compaction of concrete, improves

The light weight aggregates are obtained from

If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is

Specified compressive strengh of concrete is obtained from cube tests at the end of

An aggregate is said to be flaky, if its least dimension is less than

The final operation of finishing floors, is known as

The internal dimensions of a ware house are 15 m x 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are

Wing rails are provided

Burnettising is done for the preservation of

30 m long rails are used in

Minimum gradient in station yards is generally limited to

Proper batching ensures

The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is

A triangle used for turning the face of locomotives, consists of

If D is the distance between the parallel sidings and is the angle of crossing, the distance between the noses of crossing measured parallel to the gathering line, is

The place where a railway line and a road cross each other at the same level, is known as

Heel of crossing is the line joining

A mono-block sleeper has

If S is cant deficiency in centimetres and V is maximum permissible speed in km p.h,, the maximum length of transition curves, is

The overall length of a turn out is the distance between the end of stock rail and

According to Railway Board, no diamond crossing should be flatter than

Coning of wheels is provided