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For condensation of saturated steam on a vertical cold surface, the local heat transfer coefficient h_x at height x is given by Nusselt equation: h_x = 0.943[ρ_l(ρ_l-ρ_v)gk_l³h_fg/(μ_l·ΔT·x)]^(1/4). When condensate film thickness increases:
Ah_x increases proportionally
Bh_x decreases as x^(-1/4)
Ch_x remains constant
Dh_x depends only on temperature difference
Correct Answer:  B
EXPLANATION

Nusselt condensation correlation shows h_x ∝ x^(-1/4), meaning heat transfer coefficient decreases as film thickness grows from top to bottom.

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The Pradhan Mantri Garib Kalyan Yojana (PMGKY) was launched in which year?
A2015
B2016
C2017
D2018
Correct Answer:  B
EXPLANATION

PMGKY was launched in 2016 as a voluntary income disclosure scheme.

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The Angkor Wat temple complex, one of the largest religious monuments in the world, is located in which Southeast Asian country?
AThailand
BVietnam
CCambodia
DLaos
Correct Answer:  C
EXPLANATION

Angkor Wat is situated in northwestern Cambodia and is the largest religious monument in the world by area.

Originally built as a Hindu temple dedicated to Vishnu in the early 12th century, it later transformed into a Buddhist temple and remains a symbol of Cambodia's cultural and architectural heritage.

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Which Rajasthani folk painting style is UNESCO recognized and native to Bhilwara district?
APhad Painting
BWarli Painting
CMandana Painting
DThangka Painting
Correct Answer:  A
EXPLANATION

Phad Painting is a traditional scroll painting art form of Rajasthan, particularly from Bhilwara district, recognized by UNESCO as Intangible Cultural Heritage.

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If COMPUTER is coded as EQOVWVGT, what is the code for EXAMINATION?
AGZCOKODGKQP
BGZCOKODGKQQ
CGZCOKODGKPL
DGZCOKODGKOU
Correct Answer:  A
EXPLANATION

Each letter is shifted 2 positions forward in the alphabet. E→G, X→Z, A→C, M→O, I→K, N→P, A→C, T→V, I→K, O→Q, N→P.

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Which capital is NOT the capital of its respective country among the following?
AParis - France
BTokyo - Japan
CCairo - Egypt
DBangkok - China
Correct Answer:  D
EXPLANATION

Bangkok is the capital of Thailand, not China. Beijing is the capital of China.

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