How does the temperature at point B compare to the temperature at point C$?$

Hint: What type of process is this?

$($A$)<$

$($B$)=$

$($C$)>$

$($D$)$ Need more information

$6.$ How does the temperature at point C compare to the temperature at point A$?$

Hint: Same as for question $4$

$($A$)<$

$($B$)=$

$($C$)>$

$($D$)$ Need more information

$7.$ The work done on the gas in process A $->$ B is:

$($A$)$ Negative

$($B$)$ Zero

$($C$)$ Positive

$($D$)$ Need more information

$8.$ The work done on the gas in process B $->$ C is:

$($A$)$ Negative

$($B$)$ Zero

$($C$)$ Positive

$($D$)$ Need more information

$9.$ The work done on the gas in process C $->$ A is:

$($A$)$ Negative

$($B$)$ Zero

$($C$)$ Positive

$($D$)$ Need more information