1
GATE CE 1990
MCQ (Single Correct Answer)
+1
-0.3
True meridians at different places converge
A
from south pole to north pole
B
from equator to north and south poles
C
from north pole to south pole
D
None of the above
2
GATE CE 1990
MCQ (Single Correct Answer)
+1
-0.3
Tensile strength of cement mortar is usually found by:
A
Briquette test
B
Slump test
C
Vicat needle test
D
Split cylinder test
3
GATE CE 1990
MCQ (Single Correct Answer)
+1
-0.3
The modulus of elasticity of concrete mix M25 is
A
25,000 N/mm2
B
28,500 N/mm2
C
15,000 N/mm2
D
5,700 N/mm2
4
GATE CE 1990
MCQ (Single Correct Answer)
+2
-0.6
A rectangular simply supported prestressed concrete beam of span $$L$$ is subjected to a prestressing force of $$P$$ acting centrally at end sections and the prestress tendons are parabolically draped with maximum eccentricity of $${e_{\max }}$$ at the mid span section. The uniformly distributed upward load $$(W)$$ on the beam due to prestressing will be:
A
$$16\,\,P\,{e_{\max }}/{L^2}$$
B
$$4\,\,P\,{e_{\max }}/{L^2}$$
C
$$12\,\,P\,{e_{\max }}/{L^2}$$
D
$$8\,\,P\,{e_{\max }}/{L^2}$$
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