Which of the following is not a type of rigid module?

Which of the following is not a type of rigid module? Correct Answer Crump’s proportional module

Crump’s Adjustable Proportional Module is also called Adjustable Orifice Semi-Module. In this type, a cast-iron roof block is provided at the entrance end which is screwed to the masonry entrance by the bolts fixed in the masonry. This block is given the lemniscate curve at the lower end on the entrance side.

Related Questions

Consider the following grammar (that admits a series of declarations, followed by expressions) and the associated syntax directed translation (SDT) actions, given as pseudo-code: P → D* E* D → int ID {record that ID.lexeme is of type int} D → bool ID { record that ID.lexeme is of type bool} E → E1 + E2 {check that E1.type = E2.type = int; set E.type := int} E → !E1 {check that E1.type = bool; set E.type := bool} E → ID {set E.type := int} With respect to the above grammar; which one of the following choices is correct?