Radiometric dating of a sedimentary rock sample shows an age of 1.5 million years. what conclusions can be drawn from this data? the rock is a minimum of 1.5 million years old but it may be older. radiometric dating cannot be used on sedimentary rock so no conclusions can be drawn. the rock is a maximum of 1.5 million years old but it may be younger. the rock is exactly 1.5 million years old.

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.

Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges