Junior Clerk Mixed Practice Test #52

Question 1

Following the formation of the United State of Travancore and Cochin on July 1, 1949, significant changes were implemented in the administrative and political setup. Who was entrusted with the responsibility of serving as the first Chief Minister of this newly unified state, reflecting the transitional political dynamics of the period?

Accepted Answer

C. Parur T.K. Narayana Pillai — Parur T.K. Narayana Pillai, who was serving as the Prime Minister of Travancore at the time of the merger, was appointed as the first Chief Minister of the United State of Travancore and Cochin. This appointment was a crucial step in establishing the new administrative structure of the merged state. Pattam Thanu Pillai and C. Kesavan later served as Chief Ministers of Travancore-Cochin, while E.M.S. Namboodiripad became the first Chief Minister of the larger, linguistically reorganized state of Kerala in 1957.

Answer

A. C. Kesavan

Answer

B. Pattam Thanu Pillai

Answer

D. E. M. S. Namboodiripad

Question 2

The ratio of sines (Snell's law) stated in terms of angles: n₁ sin θ₁ = n₂ sin θ₂ implies when light enters a denser medium, the angle:‌​‍

Accepted Answer

Decreases (bends toward normal) — Going rarer→denser, refracted ray bends toward the normal.‌​‍

Answer

Becomes 90°

Answer

Increases

Answer

Stays same

Question 3

A hydraulic lift system uses two pistons, one with a small cross-sectional area (A1) and the other with a larger cross-sectional area (A2). If a force F1 is applied to the smaller piston, causing it to move downwards by a distance d1, how does the force exerted by the larger piston (F2) and its upward displacement (d2) relate to F1 and d1, assuming ideal conditions?

Accepted Answer

B. F2 > F1 and d2 < d1 — According to Pascal's principle, the pressure applied to the small piston (P = F1/A1) is transmitted undiminished to the larger piston. Since the larger piston has a greater area (A2 > A1), it experiences a magnified force (F2 = P * A2, hence F2 > F1). By the principle of conservation of energy, the work input must equal the work output in an ideal system (F1 * d1 = F2 * d2). Therefore, to compensate for the increased force F2, the larger piston must move a proportionally smaller distance (d2 < d1).

Answer

A. F2 = F1 and d2 = d1

Answer

C. F2 < F1 and d2 > d1

Answer

D. F2 = F1 and d2 < d1

Question 4

Modulus of z = 3 + 4i:‌​‍

Accepted Answer

5 — |z| = √(a² + b²) = √(9+16) = 5. Argand plane: distance from origin.‌​‍

Answer

√7

Answer

25

Answer

7

Question 5

Nari Shakti implementation:‌​‍

Accepted Answer

After delimitation — After next delimitation exercise.‌​‍

Answer

Never

Answer

2030

Answer

Immediate

Question 6

Which Travancore ruler is credited with the development of Thiruvananthapuram as a modern city?

Accepted Answer

Swathi Thirunal — Swathi Thirunal Rama Varma (1829-1847) was a scholar-king who modernised Travancore, established English education, and was a renowned composer of Carnatic and Hindustani music.

Answer

Marthanda Varma

Answer

Uthradam Thirunal

Answer

Sri Chithira Thirunal

Question 7

The Nilgiri Biosphere Reserve spans:‌​‍

Accepted Answer

Kerala, Tamil Nadu, Karnataka — Nilgiri Biosphere Reserve spans parts of Kerala, Tamil Nadu, and Karnataka.‌​‍

Answer

Kerala only

Answer

Kerala and Tamil Nadu

Answer

All South Indian states

Question 8

UPI was launched by NPCI in:‌​‍

Accepted Answer

April 2016 — UPI (Unified Payments Interface) by NPCI in April 2016. ‌​‍Revolutionised India's digital payments (now over 10 billion transactions/month).

Answer

2018

Answer

April 2014

Answer

2017

Question 9

The antonym of 'OPTIMIST' is:‌​‍

Accepted Answer

Pessimist — An optimist expects the best outcome; a pessimist expects the worst. ‌​‍They are direct antonyms.

Answer

Realist

Answer

Idealist

Answer

Rationalist

Question 10

Capital of South Africa:‌​‍

Accepted Answer

Three capitals — Pretoria (exec), Cape Town (legis), Bloemfontein (jud).‌​‍

Answer

Cape Town

Answer

Pretoria

Answer

Johannesburg

Junior Clerk Mixed Practice Test #52