The first self$-$propelled vehicle was powered by which of the following?$($a$)$ Steam engine.$($b$)$ Gasoline engine$($c$)$ Electric motor.$($d$)$ Livestock.$($e$)$ None of the above.

A value of $10\%$ longitudinal slip would be considered to be which of the following?$($a$)$ Negligible.$($b$)$ Low.$($c$)$ Moderate.$($d$)$ High.$($e$)$ Extreme.

$8.$Which of the following attributes does not apply to internal combustion engines.$($a$)$ High power density.$($b$)$ Ease of starting.$($c$)$ High fuel energy density.$($d$)$ Favourable torque versus speed characteristic.$($e$)$ None of the above.

$9.$ Torque converters provide which of the following?$($a$)$ High torque at high engine speed.$($b$)$ High torque at low engine speed.$($c$)$ High torque when the engine speed is low while the output shaft speed is high.$($d$)$ High torque when the output shaft speed is low while the engine speed is high.$($e$)$ A rigid coupling between the enginer and transmission.

$10.$ Longitudinal shear stress in the contact patch is greatest at which of the following locations?$($a$)$ At the leading edge.$($b$)$ Between the leading edge and the centre of pressure.$($c$)$ At the centre of pressure.$($d$)$ Between the centre of pressure and the trailing edge.$($e$)$ At the trailing edge.