General Science - Online Test
Q1. An AC generator consists of
Answer : Option D
Explaination / Solution:
AC generators operate on the same fundamental principles of electromagnetic induction.The turning of a coil in a magnetic field produces motional emfs in both sides of the coil.
A slip ring is a method of making an electrical connection through a rotating assembly. Formally, it is an electric transmission device that allows energy flow between two electrical rotating parts, such as in a motor.
Q2. A photoelectric cell converts
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. Effects of thermal pollution of water include :
a) increased BOD
b) increased toxicity of discharged chemicals
c) decreased microbial activity
a) increased BOD
b) increased toxicity of discharged chemicals
c) decreased microbial activity
Answer : Option D
Explaination / Solution:
An effect of thermal pollution of water includes increased Biological Oxygen Demand (BOD) and decreased microbial activity. Some organisms are able to survive only at normal temperature.
Q4. In the reaction
Pent – 2 – ene. 2 – Bromopentane. Pent – 1 – ene, 2 – Bromopentane on heating with alcoholic KOH, forms two compounds: Pent – 1 – ene and Pent – 2 – ene., if one major and one product are formed , then
Pent – 2 – ene. 2 – Bromopentane. Pent – 1 – ene, 2 – Bromopentane on heating with alcoholic KOH, forms two compounds: Pent – 1 – ene and Pent – 2 – ene., if one major and one product are formed , then
Answer : Option B
Explaination / Solution:
The major alkene will ne more substituted that what zaitsev rule is.
Q5. Laser Printer uses
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. What is the type of hybridisation of each carbon in the compound
Answer : Option B
Explaination / Solution:
C in CH3 is and C of C=O bond is .
Q7.
What is M?
Answer : Option B
Explaination / Solution:
M is alkali metal. Alkali metals reacts with water vigorously to form hydroxide (OH-) and dihydrogen (H2)
Q8. Range of an electronic communication system
Answer : Option C
Explaination / Solution:
As the distance between the source and the destination increases the strenght of the transmitted signals become weaker and weaker and the distance where it loses energy to travel any more is range of the signal.
Q9. MPC= 1-MPS. It is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. Cotton textile mills were mainly located in
Answer : Option C
Explaination / Solution:
The cotton textile industry was concentrated in the cotton growing belt of Maharashtra, Rajasthan and Gujarat i.e. Western part of the country.
