Explore topic-wise MCQs in General Knowledge.

This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

16101.

If the enthalpy change for the transition of liquid water to steam is 30 kJ mol–1 at 27°C, the entropy change for the process would be?

A. 0.1 J mol–1 K–1
B. 1.0 J mol–1 K–1
C. 10 J mol–1 K–1
D. 100 J mol–1 K–1
Answer» E.
16102.

Rigid

A. bent
B. sticky
C. solid
D. hard
Answer» E.
16103.

What is recommended squeezing time for maintenance packing

A. 0.2 sec to 0.4 sec
B. 0.4 sec to 0.6 sec
C. 0.6 sec to 0.8 sec
D. 0.8 sec to 1.0 sec
Answer» C. 0.6 sec to 0.8 sec
16104.

What is the capacity of non-infringing track jacks normally used for trackmaintenance

A. 8 T
B. 9 T
C. 10 T
D. 12 T
Answer» B. 9 T
16105.

If n = 6, the correct sequence of filling of electrons will be?

A. ns ® np(n - 1)d ® (n - 2)f
B. ns ® (n - 1)d ® (n - 2)f ® np
C. ns ® n(n - 2)f ® (n - 1)d ® np
D. ns ® (n - 2)f ® np ® (n - 1)d
Answer» D. ns ® (n - 2)f ® np ® (n - 1)d
16106.

If one mole of ammonia and one mole of hydrogen chloride are mixed in a closed container to form ammonium chloride gas, then?

A. DH u003e Du
B. DH u003c Du
C. DH = Du
D. there is no relationship
Answer» C. DH = Du
16107.

Which small track machine is not required for doing welding of rails inLWRs?

A. Hydraulic Rail Bender
B. Double Action Weld Trimmer
C. Rail Profile Grinder
D. Rail Cutting Machine
Answer» B. Double Action Weld Trimmer
16108.

Hindustan is a country of few charms. Its people have no good looks”.Which Mughal king had recorded this in his memoirs?

A. Shahjahan
B. Humayun
C. Babar
D. Akbar
Answer» D. Akbar
16109.

Give up

A. start
B. give
C. stop doing
D. start doing
Answer» D. start doing
16110.

Identify the reaction that does not take place in a blast furnace?

A. CaCO3 ¾® CaO + CO2
B. 2Fe2O3 + 3C ¾® 4Fe + 3CO2
C. CaO + Si O2 ¾® Ca Si O2 ¾® Ca Si O3
D. CO2 + C ¾® 2CO
Answer» C. CaO + Si O2 ¾® Ca Si O2 ¾® Ca Si O3
16111.

Identify the ore not containing iron?

A. chalcopyrites
B. siderite
C. carnallite
D. limonite
Answer» D. limonite
16112.

What are the main functions of tamping machines?

A. Correction of Alignment
B. Correction of longitudinal
C. Packing under sleepers
D. All of the Above
Answer» E.
16113.

The capital of Kadamba kings was ?

A. Badami
B. Kanchi
C. Vanavasi
D. Tanjore
Answer» D. Tanjore
16114.

Reiterate

A. repeat
B. illustrate
C. deny
D. receipt
Answer» B. illustrate
16115.

The tamping tools shall be replaced when the sectional area of the toolblade is reduced by

A. 15 %
B. 20 %
C. 25 %
D. 30 %
Answer» C. 25 %
16116.

Axronym

A. word formed from abbreviation
B. pen name used by author
C. similar meaning
D. poem of sorrow
Answer» B. pen name used by author
16117.

Who were the first to issue gold coins in India?

A. Mughals
B. Tatars
C. Kushans
D. Aryans
Answer» D. Aryans
16118.

Immune

A. statutory
B. exempt
C. hostile
D. disturbing
Answer» C. hostile
16119.

Recommended tamping (squeezing) pressure for PSC sleeper track,is

A. 90 – 100 Kg/Sq.cm
B. 100 – 110 Kg/Sq.cm
C. 110 – 120 Kg/Sq.cm
D. 120 – 130 Kg/Sq.cm
Answer» D. 120 – 130 Kg/Sq.cm
16120.

Squander

A. economical
B. expansive
C. waste
D. litter
Answer» D. litter
16121.

What is the minimum cushion of clean ballast is recommended for proper functioning of tamping machines?

A. 50 mm
B. 75 mm
C. 100 mm
D. 150 mm
Answer» E.
16122.

In ancient Indian historical geography, the name ‘Ratnakara’ denoted ?

A. the confluence of the Ganga, the Yamuna and the mythical Saraswati at Prayaga.
B. the Indian Ocean
C. the Bay of Bengal
D. the Arabian Sea
Answer» C. the Bay of Bengal
16123.

Brahmagiri is a place of historical importance because it?

A. was the capital of the Gangas
B. has an inscription of Vikramaditya VI
C. was a Paleolithic site
D. has an inscription of Ashoka
Answer» E.
16124.

Hydroxyl ion concentration of 1M HCl is?

A. 1 ´ 101mol dm-3
B. 1 ´ 10-13mol dm-3
C. 1 ´ 10-1mol dm-3
D. 1 ´ 1014mol dm-3
Answer» E.
16125.

What shall be the distance between two track machines during working ina block section?

A. 50 m
B. 120 m
C. 90 m
D. 180 m
Answer» B. 120 m
16126.

Hydrogen gas is not liberated when the following metal is added to dil. HCl?

A. Sn
B. Mg
C. Zn
D. Ag
Answer» E.
16127.

How many optically active stereomers are possible for butan-2, 3-diol?

A. 1
B. 3
C. 2
D. 4
Answer» D. 4
16128.

Baton

A. drumstick
B. cargo
C. cane
D. stick used in conducting an orchestra
Answer» E.
16129.

How many chiral carbon atoms are present in 2, 3, 4 - trichloropentane?

A. 3
B. 1
C. 2
D. 4
Answer» D. 4
16130.

Maintenance tamping of track during summer season shall not be donewhen the rail temperature is more than:

A. td
B. td+5
C. td + 10
D. td – 5
Answer» D. td – 5
16131.

Arbiter

A. one appointed by two parties to settle a dispute
B. a despot
C. very bitter
D. a priest
Answer» B. a despot
16132.

Hofmann's bromamide reaction is to convert?

A. amine to amide
B. alcohol to acid
C. amide to amine
D. acid to alcohol
Answer» D. acid to alcohol
16133.

The size of wooden battens for loading PSC sleepers on special BFRs forTRT working shall be

A. 50 mm X 50 mm
B. 75 mm X 75 mm
C. 100 mm X 100 mm
D. None of the above
Answer» C. 100 mm X 100 mm
16134.

As per IRTMM, the auxiliary track for PQRS working can be higher thanthe existing track by not more than:

A. 40 mm
B. 50 mm
C. 25 mm
D. 10 mm
Answer» C. 25 mm
16135.

Which of the following rivers of India is known as Vridh (Old) Ganga?

A. Godavari
B. Cauvery
C. Ram Ganga
D. Mahanadi
Answer» B. Cauvery
16136.

Nostalgic

A. homesick
B. soothing
C. indolent
D. diseased
Answer» B. soothing
16137.

Helium is used in balloons in place of hydrogen because it is?

A. more abundant than hydrogen
B. radioactive
C. lighter than hydrogen
D. incombustible
Answer» E.
16138.

Virile

A. bastful
B. athletic
C. pompous
D. manly
Answer» E.
16139.

According to the Dharmasastras, ‘Anuloma’ is a marriage between a ?

A. man and a woman of the same gotra
B. man and a woman of the same caste
C. lower caste man and a higher caste woman
D. higher caste man and a lower caste woman
Answer» E.
16140.

Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite?

A. has molecules of variable molecular masses like polymers.
B. is a non-crystalline substance.
C. has carbon atoms arranged in large plates of rings of strongly bound carbon atoms with weak interplate bonds.
D. is an allotropic form of carbon.
Answer» D. is an allotropic form of carbon.
16141.

Gram molecular volume of oxygen at STP is?

A. 11200 cm3
B. 5600 cm3
C. 22400 cm3
D. 3200 cm3
Answer» D. 3200 cm3
16142.

What shall be the minimum safe distance between track machines whenmoving in the block section in convey?

A. 50 m
B. 180 m
C. 120 m
D. 200 m
Answer» D. 200 m
16143.

Enigmatic

A. short-sighted
B. displeased
C. puzzling
D. learned
Answer» D. learned
16144.

Inedible

A. vitiated
B. etable
C. unfit for human consumption
D. pollutent
Answer» D. pollutent
16145.

Who became first Muslim ruler to conquer South India?

A. Akbar
B. Babar
C. Muhammad Ghori
D. Alauddin Khilji
Answer» E.
16146.

Which machine is not a relaying machine:

A. T-28
B. TRT
C. PQRS
D. UTV
Answer» E.
16147.

Generally, the first ionization energy increases along a period. But there are some exceptions. One which is NOT an exception is ______?

A. Mg and Al
B. Be and B
C. N and O
D. Na and Mg
Answer» E.
16148.

Formation of coloured solution is possible when metal ion in the compound contains?

A. paired electrons
B. lone pair of electrons
C. unpaired electrons
D. none of these
Answer» D. none of these
16149.

Emaciated

A. very sleepy
B. very thin
C. very tall
D. very aged
Answer» C. very tall
16150.

How many on On-Track track machines can work in a block section at atime as per subsidiary rule?

A. 1
B. 3
C. 5
D. 4
Answer» D. 4