Identify the manipulated variable(s) in the following woodchip digester. . Wood chips Products Steam NaOH Lignin content in product O Flowrate of steam and NaoH, lignin content in wood chips, batch time Flowrate of steam and NaoH, batch time, lignin content in product O Flowrate of steam and NaoH, batch time If L{f(t)} = 1 $(32+48 +4) what is limf (1) ? (Time management: 10 min) O 0.25 O 0.5 00 Question 2 Invert the following Laplace transform (Time management: 15 min) 35 (32+ 1) (52+4) sin(2t)+sin(t) O sin(t)-sin(2t) cos(t)-cos(2) cos(t)+cos(2) (Time management: 10 min) Find the Laplace transform of the function: -(1)-1, 05:52 = 2.122 01-e-28 $2 o 1 + 2e-2 Oi-e-2 5 O1 2 + S