Strength of Materials The weight of a body is due to centripetal force of earth gravitational pull exerted by the earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. centripetal force of earth gravitational pull exerted by the earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will slant down towards direction of pull unpredictable remain horizontal slant up towards direction of pull slant down towards direction of pull unpredictable remain horizontal slant up towards direction of pull ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, + ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, – ve sense 20 kg, + ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? kcal/kg sec. hp (horse power) kW (kilowatt) kg m/sec kcal/kg sec. hp (horse power) kW (kilowatt) kg m/sec ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a plane lamina will not be at its geometrical centre in the case of a equilateral triangle square right angled triangle circle equilateral triangle square right angled triangle circle ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = 2/-3 (d)3/-2 (b)2j-l j-2 2/-3 (d)3/-2 (b)2j-l j-2 ANSWER DOWNLOAD EXAMIANS APP
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