Which of the following devices cannot convey from d.c. to a.c. ?
AMercury arc rectifier
BMotor convertor
CMotor generator
DAll of the above
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Each meter length of a metric chain is divided in to .... Links
A statement is given followed by two assumptions numbered I and II. You have to assume everything in the statement to be true and decide which of the given assumptions is/are implicit in the statement.
Statement:
The demand for smartphones and laptops has increased substantially since the introduction of online classes in schools.
Assumptions:
I. People are buying smartphones and laptops to enable their children to attend online classes
II. Desktop computers cannot be used to attend online classes.
As per IS 800 - -1984 the pitch of the rivets,should not be less than