Which of the following regions of the electromagnetic spectrum would be used to determine the structure of crystalline solids?
Question 2
Two spherical balls of same material and surface finish have their diameters in the ratio of 2:1. Both are heated to same temperature and allowed to cool by radiation. Rate of cooling of big ball as compared to smaller one will be in the ratio of
Question 3
A 10 mm thick plate-1 is welded to another plate-2 (10 mm thk) using fillet weld of thickness 10 mm, on two sides of plate-1 as shown in figure. Plate-1 projects outside plate-2 by 85 mm. An end load of 1 kN acts on plate-1. The primary shear stress produced in the weld throat is
Question 4
Which is not correct statement about the function of flux in brazing
Question 5
A basic hole is one whose
Question 6
What will be the charge on plates of a parallel plate capacitor having radius 4 cm and separation 2 mm? A potential difference of 200 V is applied across the capacitor.
Question 7
A monkey was hanging on a nylon rope of length 5 m and diameter 8 mm was used. If the weight of the monkey was 80 N, then find the elongation of the rope and the corresponding change in the diameter. Young modulus of nylon = 4.8 X 1011 Nm-2 and Poisson ratio of nylon = 0.2.
Question 8
A Carnot engine is converting 1/4th of the heat which it absorbs from the source into work. What would be the temperature of the sink when the temperature of the sink is reduced by 100˚C and the efficiency is doubled?
Question 9
If sum of roots of quadratic equation is 7 and product of roots is 9, what is the actual quadratic equation?
Question 10
If P(A) = 1/5, P(B) = 1/2 and P(A∩B) = 1/10 then value of P(AUB) is?
Question 11
Modulus of complex number 4 – 3i is?
Question 12
If α,β,γ are the roots of the equation , then the equation whose roots are 3α+2,3β+2,3γ+2 is _____.
Question 13
Choose the most appropriate option to change the voice (active/passive) form of the given sentence.
How much has the mechanic charged you for repairing your bike?
Question 14
Choose the most appropriate option to change the voice (active/passive) form of the given sentence.
Call the police as soon as possible.
Question 15
Who can participate in proceedings of the Parliament without the Right to Vote ?
Question 16
Which of the following Former Army Cheif General of India awarded by the United States (US) 'Legion of Merit' ?
Question 17
Which of the following Google unveils new platform for Indic language publishers ?
Question 18
In the question, two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statements: 1. Some apples are red. 2. All red are oranges. Conclusions: I. No oranges are apples. II. Some apples are oranges.
Question 19
In a class there are ‘z’ students. Out of them ‘x’ are boys. What part of the class is composed of girls?