What was the first PLC released?

A. Modicon 084
B. PDQ-11
C. Simatic S4
D. Series 6


Answer: A

Trades & Technology

You might also like to view...

A rain-sense wiper system uses a rain sensor that is usually mounted ________

A) On the roof B) Inside of the windshield at the top C) Behind the grille D) Outside of the windshield at the top

Trades & Technology

Suppose that the liquid molar enthalpy (H) for a binary mixture of benzene (1) and cyclohexane (2) has been fitted to the following functional form (at 50 °C and 9.4 bar)



A) What is the partial molar enthalpy, ¯H_1, of benzene when x1 = 1 at 50°C and 9.4 bar?

B) What is the partial molar enthalpy of benzene in this mixture (at this T and P) when it is equimolar?

C) What is the partial molar enthalpy of cyclohexane in this mixture (at this T and P) when it is equimolar?

D) What is the pure component enthalpy of cyclohexane at this temperature and pressure?

Trades & Technology

The Charolais and Limousin are examples of ____________________ cattle breeds

Fill in the blank(s) with correct word

Trades & Technology

Solve the following integrodifferential equation using the Laplace transform method:

What will be an ideal response?

Trades & Technology